Green Monster Muffins Recipe

by Diana on July 25, 2010

in Breakfast,Cooking & Baking,Recipe,Snack

It’s heeeeeeeeeeeerrrrrreeeeeeee!!!!!!!

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Green Monster Muffins batch #1 came out dry, but this time I think I’ve got it!

As a reminder, I loved the idea of using a vegetable in sweet muffins/breads when I made zucchini bread recently. What other veggie is often used in sweet recipes? Spinach – the main ingredient in the very popular Green Monster smoothies! Inspired by the Cooking Light zucchini bread, I worked hard to develop a recipe that would work with spinach.

Here are a couple things to note with the recipe.

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#1 – when you measure the cup of packed spinach, make sure you pack the spinach is real good. I mean press down on it really hard in your measuring cup. You want it to be about 1 cup after you process it, not before.

In fact, my spinach was bursting out of the top just a bit.

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#2 – when you process your spinach it will start out looking like quite a bit of spinach.

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See – after you process it, it reduces in size quite a bit. And pretty much you process it till the food processor stops chopping the spinach. At some point, the blade really doesn’t chop the spinach any more size the volume is so reduced.

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And in case you’re curious, here’s about what the texture of the spinach looks like when it’s done processing.

#3 – Don’t skip the lemon zest (unless you just don’t like the flavor of lemon)! I feel like I often skip zest on recipes because I don’t think you’ll be able to taste it, but you totally do and the zest adds great flavor!

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In my recipe, I suggest stirring walnuts into the batter, but since I had someone with a walnut allergy taste-testing later I only added some to the top of half my muffins.

Pre-baking

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Post-baking

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Last time, the muffin was dry, but this time it was quite most! I may tinker with adding a wee bit more flour to see what happens, but I’m happy enough with it to share the recipe this time.

PS Next up I’m going to work on vegan and gluten-free versions so everyone can try them! :)

Green Monster Muffins

Most spinach muffins are savory but these are sweet!

*Click here for the vegan version of the recipe*

Makes 12 muffins

Dry Ingredients:

  • 3/4 cup oat flour (note: you could probably sub flours of do 1 1/2 cups total of a single flour, instead of 2, if you’d like)
  • 3/4 cup whole wheat pastry flour
  • 1 tsp baking powder
  • 1/2 tsp cinnamon
  • 1/4 tsp salt
  • 1/4 tsp baking soda

Wet Ingredients:

  • 1 egg
  • 3/4 cup sugar
  • 1 single serving applesauce (or 1/2 cup)
  • 1 cup PACKED, triple washed baby spinach, chopped by food processor into small bits (see photos above)
  • 3 tbsp canola oil
  • 1 tsp vanilla extract
  • 1/2 – 1 tsp lemon zest (depending on how lemon-y you want it)

Optional ingredient: 1/4 cup chopped walnuts, plus extra for topping

Directions:

  1. Pre-heat oven to 350 degrees F and prepare a 12 cup muffin tin with non-stick spray.
  2. Add dry ingredients into a medium bowl and whisk together.
  3. Whisk to beat egg and sugar together till light (I did this by hand for just a couple minutes).
  4. Whisk in the rest of the wet ingredients.
  5. Pour dry ingredient mixture into the wet ingredient mixture, add 1/4 cup walnuts if desired, and stir gently just to combine – do not over-mix.
  6. Pour muffin batter into muffin tin cups – about 3/4 full each. If using walnuts, sprinkle walnuts on top of each muffin.
  7. Bake for 14-17 minutes until centers set or a toothpick inserted in the center of a muffin comes out clean.
  8. Cool at least 10-15 minutes before serving.

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Enjoy!

Sneaky way to get the kids to eat their greens, no?

I actually think these muffins look really pretty because of the vibrant green color

Plus, these would be super festive for either Halloween or St. Patrick’s Day!! :)

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{ 97 comments… read them below or add one }

1 Lisa @bakebikeblog July 25, 2010 at 7:31 pm

Talk about genius!!!!!!! Love these :)

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2 Staceyhttp://stacey-healthylife.blogspot.com/ July 25, 2010 at 7:45 pm

Great idea. :)

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3 Caitlyn @ A Spoonful of Life July 25, 2010 at 8:34 pm

They look so fun and tasty! I can’t why to try them! The color makes me think of “green” eggs and ham!

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4 Diana July 27, 2010 at 3:11 pm

They sell that at Islands of Adventure in Orlando FL (green eggs + ham) – it’s delish!

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5 Kristina July 25, 2010 at 9:29 pm

mmm… genius. I think I need to try these…

I made a batch of my “spinach bread” this weekend – SO good :)

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6 Layla July 25, 2010 at 9:30 pm

They look so good! Can’t wait to try this!

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7 Anne P July 25, 2010 at 9:33 pm

Yum – what a great idea! :)

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8 Jen July 25, 2010 at 9:34 pm

You are so creative! Can’t wait to make these little pieces of heaven :)

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9 christina cadden July 25, 2010 at 9:44 pm

I am going to have to try them!

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10 Lauren (Clean Eats in the Dirty South) July 25, 2010 at 9:52 pm

YOU are EPIC!
i must veganize these!!! :D

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11 Diana July 27, 2010 at 3:12 pm

vegan and GF versions are next in my baking experiments queue! :)

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12 Run Sarah July 25, 2010 at 10:09 pm

Just found your blog through KERF – so many of your recipes, including this one, look SO tasty. I can’t wait to try this out – love the fact that they’re sweet but also pack veg & nutrients.

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13 Diana July 27, 2010 at 3:13 pm

Glad you found me! Thanks for stopping by! :)

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14 Holly @ couchpotatoathlete July 25, 2010 at 10:24 pm

Those muffins look great! The green color is so bright and cheerful! Thanks for sharing your recipe!

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15 Tina July 25, 2010 at 10:28 pm

I have some spinach I have to use so I may try making these. I take things like these to the guys (boys) at work and make them be my guinea pigs!!! LOL!!

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16 Nicole July 25, 2010 at 11:54 pm

Thanks so much! So, so, so much. I’ll tackle those buddies soon!

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17 Yip Bop July 26, 2010 at 9:54 am

That looks really good however I don’t think my kids will touch it. I’ll give it a shot.

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18 Diana July 27, 2010 at 3:14 pm

Check out Karen’s comment about the 10 year olds! ;)

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19 Meagan July 26, 2010 at 6:05 pm

I found you from KERF. This recipe looks soo good, and very easy to make gluten free!

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20 Diana July 27, 2010 at 3:14 pm

Hey Meagan – thanks so much for stopping by and for your comment :)

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21 Brittany July 26, 2010 at 7:49 pm

I can’t wait to try these!!!! Though I’l replace that 1 egg with some flax egg! Great way to sneak in the veggies!

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22 Dee July 26, 2010 at 9:09 pm

AWESOME! Thank you! :)

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23 Dorry July 26, 2010 at 9:20 pm

These look amazing! Such a great idea!

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24 Karen July 27, 2010 at 10:44 am

I made these today for three 10yearold boys. They scarfed them up — needless to say I didn’t let on that there is spinach in them – just called them Green Monster cupcakes and they were thrilled. Also, used gluten free baking mix for the wheat flour and it worked out great.
Thanks for thinking these up!! Sure to become a household favorite for us.

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25 Diana July 27, 2010 at 3:16 pm

This is the COOLEST COMMENT! You made my day! So glad to hear the muffins worked out for the little guys! :)

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26 Karen July 28, 2010 at 7:21 am

Would you be a trooper and repost the marinated Kale recipe? Maybe I can get the boys to eat that?!?

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27 Diana July 28, 2010 at 9:31 pm

Absolutely! Just for youuuuuuuu! ;) Here it is: http://thechiclife.com/2010/07/marinated-kale-recipe.html

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28 Marilou Garon July 27, 2010 at 2:27 pm

If I understand correctly, you first chop the spinach in the food processor, and only then do you mesure out one cup of chopped spinach? I mesured one cup of spinach, chopped it, and then added that to the muffin batter and they didn’t turn out very green… thanks for the info! Will try again.

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29 Katie (Sweet Tater) July 27, 2010 at 3:09 pm

that’s weird. i measured my 1 cup of (very) packed whole spinach and then ground it up and mine turned out quite green.

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30 Diana July 27, 2010 at 3:18 pm

Hey Marilou, Hmm…good question! Perhaps you didn’t pack the spinach enough when you were measuring it? When I was measuring my spinach, I was pressing down really, REALLY hard on the spinach and jamming it into the measuring cup because if you just measure it loosely, it won’t be enough. It should be closer to 1 cup (though I don’t know the exact amount because I didn’t measure it after) after you chop it up. Perhaps try it again and next time when you add the spinach to the measuring cup press down extra hard to ensure it’s packed in tightly? Happy baking! :) And let me know if you have any other questions.

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31 Beth July 27, 2010 at 3:02 pm

I must make these! Yum…I hope I can get my fiance to eat them….

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32 Diana August 21, 2010 at 6:37 pm

Did you fiance try them yet?

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33 Kendall July 27, 2010 at 11:07 pm

Loving this recipe! Genius!

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34 Anne July 31, 2010 at 12:37 am

I finally made these this morning and they were DEEEELISH! My veggie-phobic 5 year old inhaled two of them!
I replaced the egg with chia seeds, and it worked perfectly. :) Also used a mixture of half whole wheat, half spelt flour.
Thanks Diana!!

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35 Diana July 31, 2010 at 12:50 am

Oh my goodness, Anne! Too cool! Thanks so much for sharing! Have a great weekend! :)

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36 Chef Dennis August 6, 2010 at 6:52 am

your right about the lemon zest, it does add so much flavor! I am getting into savory muffins, yours do look good, and I love the colour the spinach gives them!

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37 Diana August 21, 2010 at 6:35 pm

yes! the zest is amazing in it! :)

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38 Erin August 7, 2010 at 2:41 pm

I just made these, and they are wonderful. I was doubtful about the lemon zest, but it really made the recipe.

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39 Diana August 21, 2010 at 6:34 pm

Yay! Glad you left the zest in and liked it! :)

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40 Marion September 3, 2010 at 11:40 pm

Looks nice!!!! I have some spinach to finish in the fridge, we’ll try your recipe.
What could i use instead of the applesauce? Yogurt? Thanks!!!

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41 Diana October 26, 2010 at 8:50 pm

I used yogurt in the vegan version: http://thechiclife.com/2010/08/vegan-green-monster-muffins.html

You may be able to sub another fruit for the applesauce, perhaps. Maybe mashed banana or canned pumpkin?

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42 Katie September 5, 2010 at 4:30 pm

Made these today!!!! LOVED them. I made some plain, some with blueberries and some with blueberries and chocolate chips. Just blueberries mixed in was the definite winner!

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43 Diana October 26, 2010 at 8:48 pm

Sounds yummy! I haven’t had the chance to experiment with mixins yet, but I’m looking forward to it! :)

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44 Courtney @ Sweet Tooth, Sweet Life September 27, 2010 at 9:50 pm

What a great idea!! :)

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45 Margaret October 26, 2010 at 8:40 pm

I tried this. I added coconut and semi-sweet chocolate chips to mine to make them dessert for our family. They were good. My 10 year old said he wants me to make them again without the coconut. My 2year old is eating his and telling the dog he won’t share. Thanks for the recipe. I’m going to try it with other veggies too.

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46 Diana October 26, 2010 at 8:51 pm

“My 2year old is eating his and telling the dog he won’t share.” – hahahaha LOVE that! Thanks for sharing. So glad to hear the recipe turned out a winner for you guys! Let me know how your other experiments with it go! :)

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47 Matthew Kadey November 4, 2010 at 8:24 am

Wow, when I saw the picture of these on Photograzing I thought you had used matcha green tea powder which is becoming popular for “green” baking. But spinach! How cool. I’ll have to try these soon.

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48 Diana November 14, 2010 at 11:04 am

Hey Matthew! Thanks for checking out my site! I do want to make matcha green tea cupcakes really badly, but I am procrastinating ordering the matcha tea online. lol

Hope you like the muffins! :)

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49 Vivian November 7, 2010 at 4:00 am

I was looking for a way to get my toddler to eat some veggies and these are perfect. I couldn’t find applesauce here in Hiroshima so I substituted yogurt. I really packed in the spinach and I love the color they turned out!

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50 Diana November 14, 2010 at 11:05 am

Yay Vivian! Nice substitution work! Isn’t the green color gorgey?! :)

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51 ROSARIO November 14, 2010 at 12:45 am

I JUST BAKED THEM AND … THEY ARE SIMPLY DELICIOUS!! DEFINITELY, A GOOD WAY TO GET SOME SPINACH INTO MY TODDLER’S DIET!! THANKS FOR THIS AND ALL THE OTHER GREAT RECIPES!

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52 Diana November 14, 2010 at 11:05 am

Hey Rosario! Hooray! Glad to hear you liked the muffins! You’re welcome and thank YOU for using them! :)

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53 Lizzy January 25, 2011 at 11:16 am

Hey Diana! I just tried out a version of these muffins only as mini-loafs and with the addition of banana. They were tasty- thanks for the inspiration. Check it out if you get a second :)

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54 Rach March 2, 2011 at 6:15 pm

Just saw this recipe and I think it’s totally brilliant!! I can’t wait to make these! Thanks for sharing this! :)

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55 Susan (Oliepants) March 2, 2011 at 6:39 pm

I just made this and it’s delicious. So delicious I blogged about it! Thank you Diana! Now you’re 2 for 2!! (Muffins & Dough Balls!)

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56 carina March 16, 2011 at 11:16 pm

I am so happy right now! I am in charge of my son’s class snack for St. Patrick’s day and just found your site. I just stuck a batch of these in the oven and can’t wait to try them – thanks for saving me – and thanks for healthy options! :)

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57 Elina (Healthy and Sane) March 18, 2011 at 2:12 pm

I made these last weekend and LOVED them. Made a few subs to suit my mood on Sunday; check it out if you’re interested: http://www.healthyandsane.com/2011/03/banana-blueberry-spinach-muffins/

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58 Rebecca June 29, 2011 at 10:57 pm

These turned out great! Love, love, love them!

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59 Diana June 29, 2011 at 11:16 pm

Yay! Glad you liked them! :)

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60 Christine July 4, 2011 at 9:25 pm

Hi! Stumbled upon your blog and love it! I would like to make these muffins…they look great. Did you ever replace the sugar with maple syrup or agave? Just wondering what the accurate measurements would be….

Thank you!

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61 Diana July 4, 2011 at 11:07 pm

Hi Christine! So glad you found my blog. :) I would think an equal substitution of either would work okay. I believe agave is considered more sweet if you compare (by the same measurement amount), so maybe it would be better to do 1/2 cup of agave. I’ve actually made these muffins with only 1/2 cup of sugar, so I’m willing to bet only 1/2 cup of agave or maple syrup would work well, also. So long story short, I think anywhere between 1/2 – 3/4 cup of either agave or maple syrup would work. Hope this helps. Let me know how it turns out. Happy baking! :)

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62 Christine July 5, 2011 at 9:40 pm

These were so great!!! I did a little less than 1/2 cup maple syrup and it tasted great (sweet but not too sweet!) Really great recipe – i think next time I may even add more spinach :)
Thank you!

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63 Diana July 5, 2011 at 11:07 pm

Hooray! You’re welcome! So glad the maple syrup worked out for you! And extra spinach? Niiiiice! :)

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64 Jen October 23, 2011 at 12:33 am

I’m just curious if anyone has tried with frozen spinach???? I’ve got some in my freezer and trying to come up with some economical ways to get healthy food in the kiddos… Thanks!

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65 Sandy January 17, 2012 at 3:00 pm

Just did! Check out my comment below yours ;-)

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66 Sandy January 17, 2012 at 3:00 pm

Hi! Just tried these muffins and they are de-lish! I made a few modifications however …
* used chopped frozen spinach – ( thawed & squeezed liquid out – used half of a 10 oz square pkg) and DID NOT put in food processor as I didn’t want to wake my napping 1 yr old :-)
* added 1/4 t nutmeg (love nutmeg + spinach flavor combo)
* used apple-peach flavored applesauce because that’s all I had
They are awesome and I will definitely make them again! My kids like spinach, so they don’t mind seeing it in the muffin ;-) I would imagine pureeing the spinach increases the spinach flavor as well. In any case, this is the best spinach muffin recipe I’ve ever tried!!!! Kudos to you Diana!!!! Thanks!

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67 Diana March 25, 2012 at 10:20 am

Thanks for sharing your adjustments, Sandy! I’m glad to hear that frozen spinach works, too! :) Woohoo!

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68 Laura January 19, 2012 at 6:53 pm

I also just made these a few days ago. The nutmeg suggestion above sounds fantastic!

I took earlier commenters’ advice and tried making some with blueberries, and those are delicious, as are the ones with walnuts mixed in.

Thanks for the recipe!

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69 Diana March 25, 2012 at 10:21 am

Yum! So many possibilities with the mix-ins! Glad to hear you liked the blueberry version. I’m thinking of trying a chocolate chip version sometime! ;)

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70 Stephanie March 4, 2012 at 11:38 am

Thank you for the recipe–going to try it today; need to get kids to eat their veggies!

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71 Diana March 25, 2012 at 10:21 am

You’re welcome, Stephanie! I hope they liked it! :)

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72 Shannon March 17, 2012 at 7:25 am

Just ran across this recipe, and since today is St. Patrick’s Day (there SO GREEN!) and I have an abundance of spinach in my refrigerator I think today is perfect for making these. Thank you for having such a cool idea for spinach : )

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73 Diana March 25, 2012 at 10:22 am

Shannon – hope the muffins turned out great for you. They’re great St. Patrick’s Day eats! :) Thanks for checking out my recipe!

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74 tasha the clean eating mama March 19, 2012 at 2:34 am

Wow…I’m super late to these bit they amazing! How dud I ever muss this recipe?! :)
Xxoo

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75 Diana March 25, 2012 at 10:23 am

lol! Glad you liked them, Tasha! :)

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76 Menaka March 19, 2012 at 4:39 pm

I made these muffins a couple of days ago and boy oh boy, they were very good! Everyone was shocked when I said I used spinach; they just couldn’t believe it. Lol.
I told myself I will be making them again whenever there’s potlucks, get togethers etc. And of course for my kids to snack on.
Thank you so very much for this wonderful recipe.

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77 Diana March 25, 2012 at 10:23 am

Hey Menaka! So glad to hear that you enjoyed the Green Monster Muffins! Thanks for trying my recipe! :)

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78 Lori April 9, 2012 at 2:40 pm

I found your recipe while looking for some muffins to make for my son (age 3) who loves the color green. He loved them, so I made them for his preschool class (all 3 and 4 year olds) and the kids said it was the best snack they’d ever had! Little do they know how healthy they are! Thanks so much!

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79 Diana April 9, 2012 at 3:01 pm

Get outta here! That’s so cool to hear! I’m so happy to hear the muffins were a hit with not only your son but for his classmates, as well! Thank you so much for sharing, Lori. :)

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80 Sarah K. @ The Pajama Chef April 11, 2012 at 9:25 am

Just wanted to let you know that I made these & blogged about them awhile ago… they’re great! http://www.todayshousewife.net/2012/02/green-monsters.html

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81 Lily May 24, 2012 at 6:28 pm

These are so good! I approached the recipe with some trepidation; “spinach muffins?” but they just came out of the oven, and… I have no idea where 3 of them have gotten to…
Instead of lemon zest I used 1/4 t. lemon extract, as well as 1.5 c. white AP flour. Also– I used a 10 oz (defrosted & drained) container of frozen spinach rather than fresh, which seemed to work out fine. Great recipe, I will certainly be making these again soon as they are far from a monstrosity :)

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82 Diana November 5, 2012 at 4:14 pm

Thanks for sharing your modifications, Lily! I’m glad to hear frozen spinach works well! :)

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83 Sandy Wiemers August 29, 2012 at 8:12 pm

I could kiss you for this recipe! My 3 year old is devouring them as he exclaims “I LOVE Shrek muffins!” :) (Anything green is “Shrek …”)

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84 Diana November 5, 2012 at 4:13 pm

I love that he calls them “Shrek muffins”! :) Thank you, Sandy!

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85 Lacie November 5, 2012 at 10:29 am

I made these last night for my kiddos. I have a horrible food processor so the spinach wasn’t as chopped up as I wanted it to be (so needless to say I was nervous). I substituted chocolate chips for the nuts. My kids LOVED them this morning :)

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86 Diana November 5, 2012 at 4:15 pm

Hi Lacie! I’ve been meaning to post a modification to the preparation – you can put your liquid ingredients into a blender to chop up the spinach, too! Glad to hear they still turned out great and that your kids liked them! :)

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87 Cecily November 11, 2012 at 7:59 pm

My husband and kids love this.
I just added blueberry to the spinach when I put them on the food processor.
But according to them this is their favourite muffin now.
Thanks for sharing

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88 Cecily November 11, 2012 at 9:17 pm

By the way I forgot to add that I gave some to my friends because they were intrigued with the spinach and blueberry and they love it. They are asking me to bake more and make plenty.

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89 Diana November 14, 2012 at 2:38 pm

Aww thanks for the sweet comment, Cecily! You made my day! Stories like this keep me blogging and trying to come up with new recipe ideas. So glad to hear your family and friends enjoyed the muffins! :) Thanks for stopping by!

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90 Cecily November 28, 2012 at 4:51 pm

I hope you could help. The first time I did it I cooked it with just wholemeal cake flour because I have no oat flour.
Now for the 2nd time I keep not getting it right with the homemade oat flour. I used 3/4c homemade oat flour but there’s more air inside and it does not cook the inside of my muffin. :-( ( I’m feeling really frustrated because every time I make it my 3yr and 1 yr old boys are so excited to eat them. Is there a different measurement for a home made oat flour instead of just 3/4cup?…
Hope to hear from you soon.
Thank you.

91 Diana December 10, 2012 at 8:09 am

Hi Cecily, Did you measure the oat flour before or after you processed it? It sounds like maybe it’s not equivalent to the other flour for some reason. Maybe you measured the oats and then processed them? And maybe after they’re processed, they take up less capacity? Sorry you had trouble with the other batches! :(

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92 Jenn November 12, 2012 at 9:08 pm

These look absolutely delicious…will have to try the vegan version!

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93 Diana November 14, 2012 at 1:19 pm

Hope you like them, Jenn! :)

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94 afracooking January 20, 2013 at 3:51 pm

So creative!! I must give these a try!

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95 Lacie January 28, 2013 at 10:50 am

Good Morning,
I’ve been making these for my kiddos and they love them. This time around I subbed out the oil for more applesauce and they turned out great. I was wondering if anyone has subbed out the egg for a flax egg and how did they taste?

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96 Theresa March 13, 2013 at 1:23 pm

I’m curious, could you use lemon juice instead of the zest? And if so, how much? It’s hard to get organic lemons and I really would rather use those that non organic for the zest. Thanks!

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97 Diana March 27, 2013 at 2:18 pm

Hi Theresa, Since the juice would add more liquid to the mix, I’m thinking it could potentially throw off the liquid to dry proportion. If you only used a tablespoon, maybe it wouldn’t be noticeable? Or you could replace some of the other liquid portion with lemon juice? The zest has a stronger flavor, so I think it will make the muffins more lemony. But juice may work, too. Let me know what you end up trying and how it turns out. Thanks for stopping by! :)

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