Healthy Flourless Chocolate Zucchini Muffins

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These healthy chocolate zucchini muffins are super-moist and fluffy, without the use of flour or oil, and they’re so easy to make. I can’t think of a tastier way to eat zucchini.

HEALTHY FLOURLESS CHOCOLATE ZUCCHINI MUFFINS. Naturally gluten-free and higher in protein, made with almond butter and coconut sugar.

Inspired by my Flourless Chocolate Pumpkin Muffins that I made last fall, I decided this would be a tasty way to use up some of our summer zucchini. The chocolate hides the zucchini almost completely, so any picky family members might not even notice it’s in there! (My 3-year-old son had no idea.)

Health Benefits of Zucchini

Zucchini is a great source of vitamin C (just one medium zucchini has 50% of your daily vitamin C needs!) and manganese, which is thought to contribute to healthy bones, and also contains healthy omega-3 fatty acids and plenty of fiber. I love sneaking zucchini into recipes, as its flavor is mild and can go completely unnoticed, like in my Dairy-Free Chocolate Cheesecake and Bean-Free Zucchini Hummus.

shredded zucchini and chocolate muffin batter in a bowl

Summer squash is particularly high in the fiber pectin, which is a polysaccharide that has been linked to naturally lowering cholesterol and improving cardiovascular health. Pectin fiber (which is also found in apples) may also help to reduce inflammation and protect against insulin resistance.

FLOURLESS chocolate zucchini muffins are super fluffy! Made with almond butter and coconut sugar.

Because this recipe calls for no flour, it’s also higher in protein and lower in sugar than traditional recipes. It makes a filling snack or treat, and if you leave out the optional dark chocolate chips, it’s free of refined sugar, too. (Feel free to cacao nibs as a sugar-free alternative!)

I hope you’ll enjoy these rich chocolate zucchini muffins soon. They’d make a great breakfast on the go, or fun after-school treat! (I think they’d freeze well, too.)

FLOURLESS Chocolate Zucchini Muffins! Healthy recipe made with almond butter, protein-rich eggs, and coconut sugar.

healthy chocolate zucchini muffins
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4.98 from 46 votes

Healthy Flourless Chocolate Zucchini Muffins

These fluffy chocolate muffins are naturally gluten-free and sweetened with coconut sugar. Made with almond butter and eggs for a high protein treat, with a sneaky serving of zucchini. 
Course Dessert
Cuisine American
Keyword Flourless Chocolate Zucchini Muffins
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings 12 muffins
Calories 180kcal



  • Preheat the oven to 350ºF and line a standard muffin tin with 12 baking cups. (I use these reusable silicone muffin cups)
  • Pour the shredded zucchini into the center of a dish towel, cover with the towel, and press firmly to remove some of the excess moisture. Transfer the squeezed zucchini into a large bowl. 
  • To the zucchini, add in the almond butter, coconut sugar, cacao powder, eggs, baking soda, salt, and vanilla. Stir well until a thick batter is formed, then fold in the chocolate chips, if using. 
  • Divide the batter among the 12 baking cups, and top with a few additional chocolate chips, if desired. Bake at 350ºF until the muffins have risen and feel firm to a light touch, about 20 minutes. (Your kitchen should smell like brownies when they are done!)
  • Remove the pan from the oven and let them cool for at least 20 minutes before serving. You can serve them warm or cold, but I think they have the best flavor when they are at room temperature. 
  • Leftovers can be stored in an airtight container in the fridge for up to a week. 



Calories: 180kcal | Carbohydrates: 14g | Protein: 5g | Fat: 12g | Saturated Fat: 1g | Cholesterol: 31mg | Sodium: 126mg | Potassium: 220mg | Fiber: 2g | Sugar: 7g | Vitamin A: 65IU | Vitamin C: 1.8mg | Calcium: 80mg | Iron: 1.1mg
Per muffin: Calories: 180, Fat: 12g, Carbohydrates: 14g, Fiber: 3g, Protein: 6g

chocolate muffin batter vs baked chocolate muffins

Recipe Notes:

  • I don’t recommend swapping flax eggs for real eggs in flourless recipes like this, because the results are usually really gooey and under-baked in texture. (If you don’t mind that, go for it!) I’ll be working on a vegan alternative, so stay tuned.
  • If zucchini is out of season where you live, try these flourless chocolate pumpkin muffins instead.
  • Any nut or seed butter should work well for this recipe. I’ve tested it with peanut butter and almond butter, and both worked well. (I imagine sunflower seed butter or tahini would work as a nut-free option, too.)
  • I haven’t tested this recipe with a liquid sweetener, like maple syrup or honey, so I’m not sure how that will work for you, but my best guess is that 1/2 cup of honey would replace the coconut sugar just fine in this recipe– the results might be slightly more moist.

As always, if you make a modification, please let us know how it worked for you in the comments below so we can all benefit from your experience.

Reader Feedback: What’s your favorite way to use zucchini?

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My favourite is just like what you do. Chocolate zucchini cakes, zucchini fritters, quiches, spaghetti sauce, Soups, they are aweSome in smoothies sonce they really are pretty tasteless. I Also like to add it to home made apple sauce. (Or butternut squash puree with lots of cinnamon) My mother taugh me to do that as a way to “stRetch” out the applesauce.


looking forward to the vegan version!


Megan, did you know trader joes has the nibs for1.99? They will order for you if they do not normally stock. Also, they hAve preshreddeD zucchini in the frezer section. Im not sure why my ipad is typing in caps noW… im not yelling… these muffins look great! Just want you to save time and money 😊

    Megan Gilmore

    Wow, thanks for letting me know! I’ll have to check that out next time I’m at Trader Joe’s!!


    a note on the nibs at Trader Joe’s – they are ‘roasted’ and I have found them to be much more bitter because of this! I prefer the raw ones even though they are more expensive.


Thank you for this recipe! This might just be the ticket to getting out the door on time during the first week of school next week! 🙂

Kathryn Lloyd

I can hardly wait for the eggless version! ! ! ! ! They look Delicious.


Though zucchini is plentiful, we have more yellow squash than what we know what to do with. Megan do you think the two are interchangeable in this recipe?


Made these last night with cashew butter (since that’s what I had). these are amazing.


Are you using unsalted almond butter?


These muffins look so delicious and beautiful. When I first glanced at the recipe, I was super excited because I didn’t see the eggs listed. We try to eat a mostly plant-based diet, but I do buy eggs laid by humanely raised, pastured chickens…as these eggs are nearly $7 a dozen, I am loathe to use them in my baking adventures. However, these muffins are just too tempting. I am planning a blog post about back-to-school life and have been searching for recipes that can serve as nutritious breakfast, snack or lunch box items, and these muffins would fit all three categories. I will sacrifice our precious eggs for this recipe. Provided i do them justice, would you mind if I take a photo of them and include them in my post with a shout out to you and a link to this recipe? I think they’d make a great addition to the recipes I’ve already got lined up!

    Megan Gilmore

    Yes, you can always share a link back to my recipes! I appreciate you thinking to include them.


I’m making these right now. One batch with sun butter and a second batch with cashew butter. I only used a half cup of sugar. This recipe is so easy. Thank you for posting it. Just wondering if a serving size would be one muffin if eating for a snack. Thanks.


Just made these using local honey and peanut butter in place of coconut sugar and almond butter and they turned out amazing! Even the kids loved them! Definitely our new goto for all of our garden zucchini…Thanks!


    Hey Amanda, did you replace the 3/4C coconut sugar with the same amount of honey? I love this idea as I don’t typically have coconut sugar.


      When I make them, I use 3/4 cup honey instead of the coconut sugar. They’re a tiny bit sticky in the end, but super good.

JULIE Armstrong

Will be making these muffins tomorrow with honey. Will let you know how it goes


Excellent recipe! I replaced the 3/4 c sugar with 1/2 c maple syrup, and I used peanut butter. Everyone loved them, including the kids. Thanks for the recipe!


I don’t even know where to start with these, but I’ll try… First off, I love having yet another use for the gobs of zucchini we’ve been getting from our garden (yahoo). Second, they’re chocolate, so immediate yum factor. Third, the almond butter gives them a quasi-gooey texture, which is pure awesome. We’ve been enjoying them as a breakfast muffin, as well as a dessert. It really doesn’t get much better than that. Thanks once again, Megan!


I love this recipe, they are absolutely delish, even my husband agree! Actually I like all of your Recipies I have made!
I want to share that when I was making these I was trying to multitask…it didn’t go well. After I placed them into the oven I saw the 2 eggs sitting on the counter that was meant to go into the muffins🙄They still came out delish, more fudgey which my husband and I both like. So I learned a lesson and also was so happy I didn’t ruin my muffins! Lol

    Megan Gilmore

    Ha, that’s good to know that they weren’t ruined without the eggs! Perfect for any vegan friends. 🙂


I cut back to 1/8 c. coco sugar (+ chopped dark chocolate), and they were still fabulous.


Can these be made ahead of time and frozen?


I’ve made this recipe today and I simply lovehese muffins!!!.
I’ve used peanut butter instead of almond butter and half raw sugar, half raw honey as sweetener because coconut sugar is a bit hard to find here; the result? They’re soft and taste delicious, that’s why my family loves them.
I just wanna thank you for sharing such an amazing recipe!
I think I’m going to make almond flour banana bread tomorrow.


made these exactly as written (except maybe left off a scant amt of the coconut sugar)–AMAZING!


How did you figure the calories? I came to about 165 vs 2q8. I am comparing recipes to find best lower cal. So these seem closer in calories to a regularuffin with flour. One of the negatives I keep hearing about almond flour is that you end up with more calories as well as more than a healthy serving. But that doesn’t look like the case here. I used the calories from the almonds as I blended myself. The oils are already in them. So I was wondering if maybe the calories in yours might be less or if there is something seeing to suggest issues with calculations I see in other recipes.


Hello from Belgium! Thank you for the recipe, absolutely great idea to take zucchini as a base! I’ve experimented with an egg-free and cacao-free version (unfortunately can’t eat it either), and replaced almond butter with almond meal (that’s what I had at hand). It worked out perfectly well! So here is what I’ve done: 2 cups shredded zucchini, 1 and 1/3rd cup almond meal, 2/3rd cup buckwheat flour (ground in the coffee grinder), 1/3rd cup carob powder,1/2 cup coconut sugar (carob is sweet by nature, so you need a bit less sweetening), 1 teaspoon baking soda, 1/4 teaspoon fine salt, 1 teaspoon vanilla, 2 teaspoons white wine vinegar. The trick here is that if you try to mix it by hand, it will be lumpy, so I put it into a food processor and let it run for a minute or so. My son of 8 just called it perfect.


Absolutely delicious and so easy!! Im not an experienced baker and these came out perfectly. Moist, light and so nutritious. Chocolate heaven. Thank you so much for sharing this recipe.


These came out great! Thanks for the recipe! I used only 1/2 cup coconut sugar and the muffins had a nice cakey texture, so I might lower the coconut sugar and add some applesauce next time. My 17 year old brother loved them and had no idea they had zucchini, so that’s a success! 🙂


Soooooo good.


Seriously so good. No-one would even guess there was zucchini in it. I hate zucchini but tore these up haha yum.


Made these yesterday and OMG soooo good!! We’re new to healthier eating so I was skeptical about how they were going to taste but they were AMAZING!!! I couldn’t even tell they didn’t have flour! Will be trying more awesome recipes off of your site soon!


Recently found out my daughter is allergic to eggs. Any luck with an egg-free Verizon of this recipe? We love this so much, and have been bummed not being able to bake it.


    Never Mind! I figured it out. Used 2 flax eggs and added 1/4c.flaxseed meal. Held together beautifully. Oh and 2 droppersful stevia extract instead of coconut sugar and increased vanilla to 2tsps.

      Megan Gilmore

      Thanks for sharing! I haven’t gotten around to testing an egg-free version yet, so I appreciate your comment!


Looks absolutely gorgeous! Has anyone tried to make a cake with this recipe instead of muffins? Should I adjust just the baking time or is there anything else that needs to be modified?

Gina Winbush

Really good. I made mini muffins and cooked them for 11 minutes. I made them for my daughter’s breakfast before school. Yea there’s chocolate and some sugar but it’s better than the frozen waffles she was eating lol


These are a huge family favourite. The kids want me to plant zucchini this year, just so we can shred it, freeze it, and have it ready to make these alllllll winter long. They are obsessed. As are me and my husband. These puppies never last a whole day, so I recommend making a couple batches to reduce squabbling over the last one. 🙂


AMAZING! They didn’t turn out like they did in the picture, but were more fudgey, which was still absolutely delicious. Couldn’t even taste the zucchini!


I used 2 chia eggs + 2 Tbsp of chia and added 1/4 C of honey. I baked them for 25 minutes. These turned out soft on the tops and gooey in the middle. Such an easy and yummy recipe, even my picky toddler asked for seconds! Thanks Megan!


Hi Megan I clicked on this recipe because of interest in high protein. I don’t see it mentioned could you let me know and also the carbohydrate grams. Thank you I would like to try this recipe.

    Megan Gilmore

    Just added it! Trying to add the nutrition info to all of my recipes, but there are 900+ to get through, so I’ll get there eventually. 🙂

Belkys cintron

OMG!!!!!!! Delicious!! I used monk fruit sugar and white chocolate chips and even my husband and daughter loved them!!! This will be a weekly recepie in my house!!! Thank you!!! Oh! I’m sharing this recepie translated in Spanish!! Of course with your page included.


I made these tonight and they are awesome! I used peanut butter because that is what I had on hand. My 16 year old son ate 2 in a row and loved them!! Thanks for a great recipe. 😊


Wow these really are the best chocolate muffins ever!
Makes a good treat for my picky 2 year old. Little does he know there’s a veggie hiding in there.


Can I swap the cacao for cocoa? I don’t have any on hand


Sorry to be a pest ……………. but I can’t help it – they look so delicious – have you had a chance to try any ideas for a vegan version. 🙂

Cathy Whitely

These muffins are AMAZING! my kids ask for them A LOT! I use a 1/2 cup coconut sugar instead of 3/4 cups, with no other changes, and we think they’re perfect, just the right amount of sweetness.


These are fantastic.. even my picky child loves them.

Thank you for this lovely recipe.

Jen K

These are fantastic! I was out of coconut sugar, so I used 1/3 cup honey instead and thought they were perfect (I did include the chocolate chips). I could eat these every day for the rest of my life!

Jen K

These are fantastic!! I was out of coconut sugar, so I used 1/3 cup honey instead of the 3/4 cup coconut sugar, and I thought they were perfect (I did include the chocolate chips). I could eat these every day for the rest of my life!


My daughter just told me that my freshly baked muffins looked like pot holes. They were yummy, but deflated.why do you think mine do that?

Keith r

These are awesome. I was surprised how they rose and held without any flour. Very easy to make with great flavor and texture. Definitely in the rotation. I did add a handful of chopped pecans. Way to go.

Jennifer Shackelford

I made these muffins today and they are delicious! I did substitute brown sugar for the coconut sugar because I didn’t have the coconut sugar. I used natural peanut butter instead of almond butter. And then used regular cocoa powder. Absolutely yummy!


Superb. I used Coconut Butter instead of Almond butter, and everyone was raving about them.


I used coconut butter instead of almond butter, and these were the best muffins ever.

Carrie Lapides

I only have unsweetened cocoa powder, will that work or does it have to be sweetened? Thank you

Elise and chloe rushton

we are 11 and 12 years old and we absolutely love these muffins!!!! YUM!


Just made these, they are beautiful, fussy kids and fussy hubby loved them too!

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