Super moist and packed with zucchini, these Chocolate Chip Zucchini Muffins are great for breakfast or snack. We love them when we have too much zucchini on hand—or when we just need a dose of chocolaty goodness.

Chocolate chip zucchini muffins on cooling rack.

Whenever our garden explodes with zucchini, I see some at the grocery store or farmers market, or we’re just in the mood, we make these Chocolate Chip Zucchini Muffins. This is such a perfect recipe to add a veggie to a toddler breakfast or kids snack and is one of our very favorite zucchini recipes.

These muffins for kids are super moist, super fluffy, and a great mix of nutrients and flavors. They have a full cup of zucchini, plus whole grains, proteins, and healthy fats.

They’re great on their own or topped with cream cheese, peanut butter, or almond butter. You can make them with chocolate chips or blueberries too. My kids love them as much as I do!

(You may also like Spinach Muffins, Healthy Zucchini Muffins, Banana Zucchini Muffins, and Chocolate Muffins.)

Ingredients You Need

To make this chocolate chip zucchini muffin recipe, you’ll need to have the following ingredients on hand and ready to go.

Ingredients for chocolate chip zucchini muffins.
  • Whole wheat flour: This flour absorbs moisture well and has fiber and nutrients, so it’s a great option here.
  • Cocoa powder: I usually use Hershey’s Special Dark for flavor that’s not bitter.
  • Baking powder and baking soda: These help the muffins rise nicely.
  • Zucchini: Any variety of green zucchini works here.
  • Sugar: A modest amount of sugar adds sweetness. You can sub maple syrup or honey if you prefer.
  • Milk: Dairy or nondairy milk works in this recipe.
  • Eggs
  • Melted butter: I use unsalted butter in my baking so I can control the salt. If you only have salted butter, just skip adding the salt in the recipe.
  • Vanilla extract
  • Chocolate chips or blueberries: You can choose to add one or the other, or add some of each.

TIP: I coat my muffin pan with nonstick classic Pam spray. There is not enough fat for these to come out cleanly from paper cupcake liners, so spray them lightly with nonstick spray if you want to use them.

Step by Step Instructions

Here’s a look at the simple process involved in making this chocolate chip zucchini muffin recipe so you know what to expect. Scroll down to the end of the post for the full information, including the amounts and the timing.

Shredded zucchini for chocolate chip zucchini muffins in bowl.

Step 1. Grate the zucchini. Squeeze it very, very dry with your hands. Measure it out.

How to make chocolate chip zucchini muffins, step 2.

Step 2. Whisk together the wet ingredients.

How to make chocolate chip zucchini muffins, step 3.

Step 3. Stir together the dry ingredients. Stir the dry ingredients into the wet.

How to make chocolate chip zucchini muffins, step 4.

Step 4. Add batter to a muffin pan and bake.

TIP: You can make these Chocolate Chip Zucchini Muffins ahead of time and then store them in the fridge or freezer and serve them on busy mornings.

Hand holding chocolate chip zucchini muffin.

Frequently Asked Questions

How to make chocolate chip zucchini muffins?

To make this easy muffin recipe, stir together the wet ingredients, add them to the dry, then mix your uniform batter. Bake the batter portioned into a muffin pan.

Can I use frozen zucchini in these muffins?

If you freeze shredded zucchini, thaw and make sure it’s totally squeezed dry, then add it to the recipe the same as fresh.

Can I make these as mini muffins?

Yes, just use a mini muffin tray and bake for 10-12 minutes.

How to Store

Store fully cooled Chocolate Chip Zucchini Muffins in an airtight container at room temperature for 3 days or in the fridge for up to 5. Freeze cooled muffins in a zip top freezer bag with as much air removed as possible for up to 3 months.

Chocolate chip zucchini muffin in storage container.

Best Tips for Success

  • Serve Chocolate Chip Zucchini Muffins at room temperature, warmed slightly, or chilled. (They may firm up a bit if chilled.)
  • If using blueberries, expect the muffins to be super moist.
  • Mini Muffins: Cook for 12-14 minutes in a 24-cup mini muffin pan.
  • Dairy-free: Use melted coconut oil  in place of the butter and plain nondairy milk.
  • Gluten-free: Use cup-for-cup style gluten-free flour in place of the whole wheat.
  • Egg-free: Use a store bought egg subsitute or omit the eggs, increase the milk to 1 ½ cups, and increase the baking soda to 1 teaspoon. Bake for 18-22 minutes and check for doneness with a cake tester. (I tested them and it worked well, though they are moister than the regular recipe so they take a little longer to bake.) Let cool fully before eating for the best texture.
  • If you have more zucchini, try Zucchini Fries, Zucchini Tots, and Baked Zucchini Fritters.

I’d love to hear your feedback on this recipe if you make it for your family, so please comment below to share!

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Chocolate chip zucchini muffins on cooling rack.

Chocolate Chip Zucchini Muffins

Super moist and packed with zucchini, these Chocolate Chip Zucchini Muffins are great for breakfast or snack.
5 from 155 votes
Prep Time 10 minutes
Cook Time 16 minutes
Total Time 26 minutes
Cuisine American
Course Breakfast
Calories 148kcal
Servings 12

Ingredients

  • cups whole wheat flour
  • ¼ cup unsweetened cocoa powder
  • ¼ cup sugar (or maple syrup; up the sugar to ½ cup for a more conventionally sweet muffin)
  • 1 teaspoon cinnamon (optional)
  • 1 teaspoon baking powder
  • ½ teaspoon baking soda
  • ½ teaspoon salt
  • 1 cup grated zucchini, squeezed very dry and packed tightly (measure after grating and squeezing)
  • 1 cup milk
  • 2 eggs (lightly beaten)
  • ¼ cup unsalted butter (melted, or use canola or avocado oil)
  • 2 teaspoons vanilla extract
  • ½ cup chocolate chips (or 1 cup blueberries; you can also use up to 1 cup of chocolate chips if you prefer)
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Instructions

  • Preheat oven to 375 degrees F. Coat a standard size muffin pan with nonstick spray.
  • In a medium bowl, stir together the flour, cocoa powder, sugar, cinnamon, baking powder, baking soda, and salt.
  • Grate the zucchini with a box grater and squeeze as much liquid out as you can with your hands. (I usually place it onto a clean kitchen towel and roll up to remove excess moisture, too.) Measure out 1 cup after this process.
  • To a medium bowl, add the squeezed zucchini, milk, eggs, butter, and vanilla. Whisk to combine.
  • Gently stir in the flour mixture. Gently stir in the chocolate chips (or blueberries).
  • Divide batter among the prepared muffin pan, using a heaping ¼ cup in each. Bake for 16-18 minutes, or until a cake tester inserted into the center of each muffin comes out clean.
  • Let cool for a minute or so in the pan, then transfer to a wire rack to cool to room temperature.
  • Serve muffins slightly warmed or at room temperature.

Notes

  • Store in an airtight container at room temperature for 3 days or in the fridge for up to 5. Freeze cooled muffins in a zip top freezer bag with as much air removed as possible for up to 3 months.
  • Serve at room temperature, warmed slightly, or chilled. (They may firm up a bit if chilled.)
  • If using blueberries, expect the muffins to be super moist.
  • Use ½ cup sugar if you prefer your muffins to be sweeter. These are very lightly sweetened as written.
  • Mini Muffins: Cook for 12-14 minutes in a 24-cup mini muffin pan.
  • Dairy-free: Use melted coconut oil in place of the butter and plain nondairy milk.
  • Gluten-free: Use cup-for-cup style gluten-free flour in place of the whole wheat.
  • Egg-free: Use a store bought egg subsitute or omit the eggs, increase the milk to 1 ½ cups, and increase the baking soda to 1 teaspoon. Bake for 18-22 minutes and check for doneness with a cake tester. (I tested them and it worked well, though they are moister than the regular recipe so they take a little longer to bake.) Let cool fully before eating for the best texture.
  • Use the same amount of honey or maple syrup in place of the sugar.
  • Use white whole wheat or all-purpose flour if desired.

Nutrition

Serving: 1 muffin, Calories: 148kcal, Carbohydrates: 19g, Protein: 4g, Fat: 7g, Saturated Fat: 4g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 2g, Trans Fat: 1g, Cholesterol: 41mg, Sodium: 201mg, Potassium: 140mg, Fiber: 2g, Sugar: 8g, Vitamin A: 213IU, Vitamin C: 2mg, Calcium: 58mg, Iron: 1mg
Tried this recipe?Rate in the comments and tag @yummytoddlerfood on IG!

This recipe was first published July 2021.

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5 from 155 votes (95 ratings without comment)

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Comments

  1. 5 stars
    Not just for toddlers! I made these for my husband for Father’s Day since he likes healthy treats. We loved them. I doubled the batch and put chocolate chips in one and blueberries in the other. I used Truvia baking sugar and 2% milk. Both tasted great and were super moist.

  2. 5 stars
    Loved this recipe. My daughter made them fit my toddler grandson, and I loved them so much, I came home and made a batch. I am on a low cal, healthier whole food eating plan and this is perfect for my snack, or better yet, dessert!

  3. I used almond flour and it came out too wet. Any suggestions for this particular flour? Will cooking it longer or adding more AF make a difference next time?

  4. 5 stars
    Love these muffins! I made them gluten free and added collagen peptides (extra splash of milk to balance it), coconut, pecans, and hemp hearts. They came out so good!

  5. 5 stars
    Fantastic! This recipe is awesome. I added 1 teaspoon of white vinegar to the milk to make buttermilk, and the result turned out amazing. Thank you for a great recipe!

  6. 5 stars
    kids love these yummy ‘cup cakes’!
    I actually FORGOT to the add the sugar in my last batch, and the kids still gobbled them up none the wiser!

  7. 5 stars
    This is a great recipe. It can be hard to balance “healthy” with “tasty” and this recipe nails it. It freezes well and you can also make it with frozen grated zucchini in case you’re overloaded with zucchini at some point.

  8. 5 stars
    We loved this! I made half into mini muffins, and half into a sort of loaf. I used all purpose and added a couple tablespoons of hemp hearts. The batter was pretty wet since I didn’t use whole wheat, but it cooked up nicely. My 10 month old ate four mini muffins on his own, and my toddler even ate two! It was a hit.

  9. Hi I tried this with regular flour and the muffins were too wet… how much flour would I need if using regular white flour? Thanks

      1. 5 stars
        Thank you. I also used AP flour and it was a bit wet, but they were still delicious! Will add this to one of my healthy regulars. No toddlers here but healthy eating is good for everyone!

  10. I have a bunch of cubed frozen zucchini (not squeezed before freezing). Could I use that in place of the grated squeeze-dried zucchini? If so, how much should I use? Thanks!

    1. 5 stars
      I ended up thawing 1/2 lb of frozen zucchini, drained some of the water, and chopped it in a food processor. The muffins came out great!

  11. 5 stars
    These muffins are soooo good. I was searching for a healthy chocolate zucchini muffin recipe and stumbled upon this one. I love it is low sugar and feel like it’s perfectly sweet with the 1/4 cup recommended amount. It’s on a recipe card and in my box for future use. Thanks for sharing this delicious recipe!

  12. 5 stars
    We’re not a gluten free family but a sneak in protein bc my son isn’t a fan of the obvious options so I make these in the blender with a can of rinsed black beans instead of flour and they’re great!

  13. 5 stars
    These are the best muffins! We’ve been buying zucchini at the farmers market every week just to make double batches of these muffins so we have enough to eat for breakfast and snacks and then freeze the rest. They’re so good!

  14. 5 stars
    Love the simplicity of this recipe. I made it with 1/2 cup sugar and did 1/4 cup white sugar and 1/4 cup brown sugar and it was great. Excited to have my son try them as he’s been on a chocolate muffin kick lately.