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These double Chocolate Zucchini Muffins are made with no flour or added oil, but they taste like a brownie! They are a delicious way to sneak more veggies into your life.

Chocolate zucchini muffin served on a white plate with the wrapper peeled off.

This muffin recipe requires no added oil or butter, thanks to the sneaky vegetables hidden inside. The zucchini adds all the moisture you need!

These muffins are dairy-free and gluten-free, without using a specialty gluten-free flour blend, so they are perfect if you are serving guests or family members with special dietary needs.

Ingredients You’ll Need

Almond butter and eggs work together to give these treats a magical structure, without any flour required. (Similar to Banana Snack Cake.)

You can use cocoa powder or cacao powder with similar results, and I love adding in some mini chocolate chips for a double chocolate zucchini muffin, but that’s optional. Either way, you’ll enjoy a delicious chocolate flavor.

Coconut sugar adds sweetness but also helps with the structure of this recipe, so don’t swap it for pure maple syrup or honey without expecting different results.

chocolate zucchini muffin ingredients labeled in glass bowls.

How to Make Chocolate Zucchini Muffins

1. Prepare the zucchini. 

Shred the zucchini using the largest holes of your box grater. (No need to peel them first!) Then place the zucchini in the center of a thin dishtowel, or cheesecloth, and gather the towel so you can squeeze-out the excess moisture. 

Zucchini are very hydrating, so there should be quite a bit of liquid released! 

Measure out 1 cup of the strained zucchini for this recipe. You can use any leftovers in a bowl of zucchini oatmeal or a zucchini smoothie later this week.

Zucchini shredded in a towel and squeezed to remove moisture.

2. Mix the batter. 

In a large bowl, combine the almond butter, eggs, coconut sugar, cocoa powder, baking soda, vanilla extract, and salt. Stir well, until the batter looks thick and glossy.

Fold in the squeezed zucchini and mini chocolate chips, if using. 

Chocolate Zucchini muffin batter mixed in a large glass bowl.

3. Bake. 

Line a standard muffin tin with 12 parchment muffin liners. (Nonstick spray might not be enough to ensure they release later.)

Then use a 1/4 cup measure to scoop the batter into the prepared pan. Sprinkle a few extra chocolate chips on top of each muffin, if you’d like. 

chocolate chips added to batter and scooped with a measuring cup.

Bake the muffins in an oven preheated to 350ºF for 25 minutes, or until the tops feel dry to the touch.

Your kitchen should smell like brownies when they are done cooking!

Chocolate zucchini muffins in pan before and after baking them.

4. Enjoy!

Let the muffins cool in the pan for at least 30 minutes, and then the chocolate chip zucchini muffins are ready to serve. (They should firm up as they cool.)

Enjoy them lightly warm from the oven, or at room temperature for the best flavor and texture. 

Storage Tip: Leftover muffins can be stored in an airtight container in the refrigerator for up to 5 days, or in the freezer for up to 3 months. 

chocolate zucchini muffin split in half to show the texture without using flour.

Frequently Asked Questions

Can I substitute the coconut sugar in this recipe?

I’ve only tested this recipe with granulated sugar, so using something like brown or white sugar should work just as well. (They will just be slightly sweeter, FYI.) If you want to experiment with using honey or pure maple syrup, I’d start with just a 1/4 cup, since liquid sweeteners tend to be more concentrated in flavor.

Can I make this recipe egg-free?

Flourless baking does not do well with egg substitutes, like a flax egg. Start with an egg-free recipe that has already been tested, such as my vegan carrot cake muffins, as a jumping-off point. 

Do I have to use almond butter?

You can use any other nut or seed butter that you have on hand, such as peanut butter, cashew butter, or sunflower seed butter. For the best results, it should be an all-natural nut butter that has a drippy consistency.

Looking for more zucchini recipes to try? Try it in my Vegan Chocolate Cheesecake, Zucchini Lasagna, or Zucchini Pesto for more ideas.

Chocolate zucchini muffin served on a white plate with the wrapper peeled off.

Chocolate Zucchini Muffins

4.98 from 91 votes
Chocolate Zucchini Muffins are made without flour or added oil, but you'd never know just by tasting them! They are a healthy treat with a sneaky serving of veggies in each bite.
prep15 mins cook25 mins total40 mins
Servings:12 muffins

Ingredients
 
 

Instructions

  • Preheat the oven to 350ºF and line a standard muffin tin with 12 parchment cupcake liners. Place the shredded zucchini into the center of a thin dish towel, and squeeze out as much moisture as possible.
  • Transfer the squeezed zucchini into a large bowl, and add in the almond butter, coconut sugar, cacao powder, eggs, baking soda, salt, and vanilla. Stir well until the batter looks thick and glossy.
  • Fold in the chocolate chips, if using, and then use a 1/4 cup to scoop the batter into the 12 baking cups. Top with a few extra chocolate chips, if desired.
  • Bake at 350ºF until the muffins have risen and feel firm to a light touch in the center, about 25 minutes. (Your kitchen should smell like brownies when they are done!)
  • Remove the pan from the oven and let the muffins 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 5 days, or in the freezer for up to 3 months.

Video

Notes

Nutrition information is for 1 of 12 muffins, without the optional chocolate chips. This information is automatically calculated and is just an estimate, not a guarantee.
You can use raw cacao nibs instead of chocolate chips to keep this recipe refined-sugar-free.
If you prefer to use baking powder, you can use 1 teaspoon of baking powder to replace the baking soda.

Nutrition

Calories: 180kcal | Carbohydrates: 14g | Protein: 6g | Fat: 13g | Saturated Fat: 1g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 7g | Cholesterol: 31mg | Sodium: 127mg | Potassium: 221mg | Fiber: 3g | Sugar: 8g | Vitamin A: 64IU | Vitamin C: 2mg | Calcium: 80mg | Iron: 1mg
Course: Dessert
Cuisine: American
Keyword: chocolate zucchini muffins

If you try these gluten-free chocolate zucchini muffins, please leave a comment and star rating below letting me know how you like them.

Megan Gilmore leaning on her white countertop.

Megan Gilmore

Hi, I’m Megan. A former fast food junkie turned best-selling cookbook author. I create healthy recipes made with simple ingredients to make your life easier.

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Comments

  1. Great recipe! My kids loved it and thought it was a brownie. Definitely recommend eating it at room temp only.

  2. I bake this today and it was amazing !!! I have really picky eaters at home and they love it , I wanted to thank you because it is not easy to find healthy recipes that are delicious and everytime that I try one of your recipes is Amazing , thank you

  3. Holy cow, this recipe is so good!!!! Used cashew butter, it’s what I had, and I can’t believe how wonderful these taste and how amazing the texture is. Bravo!!!

  4. I made these for the first time today. Based on other readers’ comments, I made them in mini muffin tins and omitted the eggs (I try to eat plant-based and didn’t have eggs). I also cut the sugar down to 1/2 cup and omitted the salt (I try not to eat much salt or sugar.) Oh my gosh. They came out almost like molten lava cakes. Sooooo delicious. Thank you for another wonderful recipe.

  5. I’ve made these for so many functions. They’re famous in my neck of the woods. I’m making them tonight for a girlfriend’s wedding!\
    Thank you for sharing the recipe. Are they gluten free?

  6. So I make these all the time and freeze them, but I cut back on the sugar and don’t add the chocolate chips to keep the sugar down and they are still delicious!! Thank you for this recipe!