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Chocolate Zucchini Muffins are rich, delicious and loaded with flavor. Have ’em for breakfast all week long. Every morning is better with chocolate!

Chocolate zucchini muffin with a bite taken out of it

Folks, I feel like we’ve FINALLY made it to summer in Ohio. And get this, we’ve had about 5 days straight without rain!

We took advantage of the gorgeous weather this weekend and set Elle and her friend up with a lemonade and cupcake stand.

I mean, who can refuse a couple of cute kiddos selling adorably packaged chocolate cupcakes with delicious buttercream frosting and lemonade? Clearly, no one because the girls sold out in less than 2 hours.

She earned $20 and I’m pretty sure we’ve ignited her entrepreneurial spirit because we’re already prepping for her next dessert sale! We’re thinking mini cheesecakes and my favorite chocolate chip cookies along with these chocolate zucchini muffins.

Baked chocolate zucchini muffins in white paper liners on a white surface

TIPS FOR BAKING WITH ZUCCHINI

As soon as the weather warms up, I get way into zucchini. From Lemon Zucchini Cake to Zucchini Cookies, I fully believe zucchini belongs in allllllll the baked goods.

Don’t believe me? Take a look at these 10 Zucchini Desserts and I bet you’ll change your mind.

Half-eaten chocolate zucchini muffin surrounded by other chocolate muffins

Zucchini is perfect for adding to baked goods because the delicate flavor allows it to blend in perfectly with sweet cake or bread batters. It also keeps baked goods moist without having to add a lot of extra oil or fat to the recipe.

Everyone has come across a giant zucchini or two during the summer. You know what I’m talking about – zucchini that got left a bit too long on the vine and are a little too fibrous to enjoy on their own.

Baked chocolate zucchini muffins on a white surface

Those big zucchini are perfect for baking!

Whenever I bake with zucchini, whether it be in a cake or in zucchini muffins, I always grate it super fine because it practically disappears into the batter. Most of the time, you probably wouldn’t even know it’s there if you can’t see it!

My dad, who is not fond of the green squash, noshed down a couple of these Chocolate Zucchini Muffins in a matter minutes, and proclaimed them freaking delicious.

And I have to say, I totally agree with him.

Side view of chocolate zucchini muffin with a bite taken out of it

THE BEST DOUBLE CHOCOLATE ZUCCHINI MUFFINS

So let’s talk about these Chocolate Zucchini Muffins. They’re honestly one of the best muffins that I’ve ever made. And that’s a tall order, given I run a baking website.

Chocolate Zucchini Muffins could easily be called “Double Chocolate Zucchini Muffins” because the chocolate batter is packed with chocolate chips.

Chocolate zucchini muffin batter in a glass bowl

You read that right! They are full of chocolate flavor from using cocoa powder and two types of chocolate chips, and the texture is simply amazing thanks to the zucchini.

They’re absolutely perfect for sneaking some veggies into a chocolate lover.

Chocolate zucchini muffin batter in a muffin pan

These Chocolate Zucchini Muffins will last about 3 days at room temperature in an airtight container. You can also freeze them for easy breakfasts later.

Chocolate zucchini muffins on a white surface

When you’re ready to eat one, just pop it in the microwave straight from the freezer for about 30 seconds to 1 minute for a warm muffin breakfast on the go.

I mean, who wouldn’t want a warm, chocolatey muffin for breakfast?

Overhead view of baked chocolate zucchini muffins

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Chocolate Zucchini Muffins

By: Jamie
4.47 from 1057 ratings
Prep: 10 minutes
Cook: 22 minutes
Total: 32 minutes
Servings: 20 muffins
Chocolate Zucchini Muffins are rich, delicious and loaded with flavor. Have ’em for breakfast all week long. Every morning is better with chocolate!

Ingredients

  • 1 ½ cup granulated sugar
  • ½ cup packed light brown sugar
  • 1 cup vegetable oil
  • 3 large eggs
  • 2 teaspoons pure vanilla extract
  • 2 ½ cups all-purpose flour
  • ½ cup unsweetened cocoa powder I used Hershey's Special Dark
  • 1 teaspoon salt
  • 1 teaspoon baking soda
  • 1 teaspoon ground cinnamon
  • 2 cups finely grated zucchini slightly drained
  • 1 cup semisweet chocolate chips
  • ½ cup mini milk chocolate chips optional

Instructions 

  • Preheat oven to 350°F. Spray muffin pan wells with nonstick cooking spray or line with paper liners.
  • In a large bowl with an electric mixer, beat together the sugars, oil, eggs, and vanilla until thoroughly combined.
  • In a medium bowl, whisk together the flour, cocoa powder, salt, baking soda, and cinnamon.
  • Gradually add the dry ingredients into the sugar mixture and mix until just combined.
  • Fold in zucchini until it is evenly distributed into the batter. Stir in semisweet chocolate chips.
  • Use a large cookie scoop (about 3 tablespoons) to distribute batter amongst the prepared muffin wells.
  • If desired, sprinkle mini milk chocolate chips onto the top of each muffin.
  • Bake in preheated oven for 18-22 minutes.

Video

Notes

Muffins can be stored in an airtight container at room temperature for up to 3 days.

Nutrition

Serving: 1muffin, Calories: 324kcal, Carbohydrates: 42g, Protein: 4g, Fat: 17g, Saturated Fat: 5g, Polyunsaturated Fat: 7g, Monounsaturated Fat: 4g, Trans Fat: 0.1g, Cholesterol: 26mg, Sodium: 188mg, Potassium: 151mg, Fiber: 2g, Sugar: 27g, Vitamin A: 76IU, Vitamin C: 2mg, Calcium: 27mg, Iron: 2mg

Nutrition information is automatically calculated, so should only be used as an approximation.

4.47 from 1057 votes (1,048 ratings without comment)

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194 Comments

  1. Molly says:

    Made these today, outstanding! Thanks for sharing this recipe, it’s definitely a keeper.

    1. Jamie says:

      So happy to hear you enjoyed the muffins, Molly! Thanks so much for stopping by and leaving your feedback!
      -Jamie

  2. Sandy Schreur says:

    Haven’t had chocolate zucchini muffins in a long time. I added 1/2 cup sour cream to the recipe and they are so delicious! Top a warm muffin with whipped cream and drizzle with caramel topping…amazing! Great recipe!

    1. Jamie says:

      So happy to hear you enjoyed the muffins, Sandy! Thanks so much for stopping by and leaving your feedback!
      -Jamie

  3. Jennifer says:

    This is amazing! Already made it a couple of times.  I do use applesauce instead of oil and gluten free flour due to sensitivities with my kids, but they absolutely loved them!  Thank you so much!

    1. Jamie says:

      So happy to hear you enjoyed the muffins, Jennifer! Thanks so much for stopping by and leaving your feedback!
      -Jamie

  4. Liz says:

    So good! Yummy chocolate zucchini muffins. Bonus! They can be made and frozen then zapped for 30 sec- 1 min for a quick snack. 

    Yummy!! I used the following tweaked ingredient list to make it a bit healthier based in part on what I read in other reviews and they turned out great!! The whole family ate them up :)

    Reduced the 1 1/2 c granulated sugar to 1/2 cup

    Swapped the 1 c oil for:
    3/4 cup vegetable oil (next time I’ll use 1/2 c)
    1/4 c apple sauce (next time I’ll use 1/2 c)

    Swapped the 2 1/2 c all purpose flour for:
    1 cups all-purpose flour
    1 c whole wheat flour
    1/2 c quick cooking oats

    1. Jamie says:

      So happy to hear you enjoyed the muffins, Liz! Thanks so much for stopping by and leaving your feedback!
      -Jamie

    2. Andrea says:

      I add dry cherries and cut back on the sugar a hair bit. I love this recipe. Fantastic chocolate taste.

  5. Heather says:

    Just made these today and they are fantastic! They resulted in 20 muffins, and it took about 28 minutes. Yum!

    1. Jamie says:

      So happy to hear you enjoyed the muffins, Heather! Thanks so much for stopping by and leaving your feedback!
      -Jamie

  6. Sarah says:

    These are so magnificent that I have made them 3 times in the past three weeks, and am currently baking 4 batches to freeze! I did use half whole wheat flour, coconut oil and cut the sugar just a smidge. We have had so much more time this year to preserve our harvest. Thank you so much for this recipe!

    1. Jamie says:

      So happy to hear you enjoyed the muffins, Sarah! Thanks so much for stopping by and leaving your feedback!
      -Jamie

  7. Christine says:

    Made these tonight and they are delicious!!! So moist. I substituted a 1/2 tsp of instant coffee for the cinnamon. Great way to use up all the zucchini! Thanks so much for sharing this recipe. Love it!

    1. Jamie says:

      So happy to hear you enjoyed the muffins, Christine! Thanks so much for stopping by and leaving your feedback!
      -Jamie

  8. Deborah DiMarzio says:

    My farm share had lots of zucchini this week. I am gluten-free, modified these by using Bob’s Red Mill 1-to-1 GF Baking Flour, added an extra teaspoon of baking soda (2 tsp.) and used 1/2 cup applesauce and 1/2 cup of oil instead of 1 cup of oil. Got 24 muffins baked and they are perfect! I’m really enjoying them and am always so happy to find a recipe that converts easily for my GF life.

    1. Jamie says:

      So happy to hear you enjoyed the muffins, Deborah! Thanks so much for stopping by and leaving your feedback!
      -Jamie

  9. April M says:

    Omggggg! These were everything! I was worried about the amount of oil in it and thought about substituting part of it, but didn’t once I realized how many this recipe made. I bumped up the spices….1/2 cardamom, 1/4 teaspoon allspice; and used 3 different chocolate chips…dark, milk and semi. A I have to say is this is a recipe I’ll be making more. My 6yo is a lover of most fruits and veggies, but absolutely despises zucchini. Haha! I’m still trying to decide if I want to tell her what’s in her new favorite muffin.

    1. Jamie says:

      So happy to hear you enjoyed the muffins, April! Thanks so much for stopping by and leaving your feedback!
      -Jamie

  10. Gay Pollard says:

    How in the world can you consider these healthy!
    2 C sugar, 1 C Oil, 3 eggs, chocolate chips!  You people have lost your minds!  Just because there’s zucchini in something doesn’t make it healthy. 

    1. Jamie says:

      Hello! We never claimed that these were healthy! Just delicious. Enjoy!