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Fudgy Double Chocolate Chunk Zucchini Muffins Recipe

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4.7 from 98 reviews

These Fudgy Double Chocolate Chunk Zucchini Muffins are a moist and decadent treat that cleverly hides shredded zucchini for added moisture and nutrition. Bursting with rich cocoa and loaded with chocolate chunks, these muffins have a perfect balance of fudgy brownie texture and tender crumb, making them an irresistible snack or dessert.

Ingredients

Scale

Dry Ingredients

  • 2 cups all-purpose flour
  • 1 cup granulated sugar
  • 1/2 cup unsweetened cocoa powder
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1/4 teaspoon baking powder

Wet Ingredients

  • 2 large eggs
  • 1/2 cup vegetable oil
  • 1/2 cup buttermilk
  • 1 teaspoon vanilla extract
  • 1 1/2 cups grated zucchini (about 1 medium zucchini)

Add-ins

  • 1 cup chocolate chunks or chips

Instructions

  1. Preheat and Prepare Pan: Preheat your oven to 350°F (175°C). Line a muffin tin with paper liners or grease it lightly to prevent sticking.
  2. Mix Dry Ingredients: In a large bowl, whisk together the all-purpose flour, granulated sugar, unsweetened cocoa powder, baking soda, salt, and baking powder until well combined.
  3. Combine Wet Ingredients: In a separate bowl, beat the eggs. Stir in the vegetable oil, buttermilk, and vanilla extract until the mixture is smooth and homogenous.
  4. Incorporate Zucchini: Fold the grated zucchini into the wet ingredients, ensuring it is evenly distributed for moisture and texture.
  5. Combine Wet and Dry Mixtures: Pour the wet ingredients into the bowl with the dry ingredients. Gently fold them together just until combined; avoid overmixing to keep muffins tender.
  6. Add Chocolate Chunks: Fold in the chocolate chunks or chips evenly through the batter for gooey, melted pockets of chocolate.
  7. Fill Muffin Tin: Spoon the batter into the prepared muffin tin, filling each cup about 3/4 full to allow room for rising.
  8. Bake: Bake in the preheated oven for 20 to 25 minutes, or until a toothpick inserted into the center of a muffin comes out with just a few moist crumbs but no wet batter.
  9. Cool: Allow the muffins to cool in the pan for 5 minutes before transferring them to a wire rack to cool completely. This step helps the muffins set perfectly.

Notes

  • Be sure to squeeze out excess moisture from the grated zucchini with a clean kitchen towel to avoid soggy muffins.
  • For extra fudginess, substitute half of the vegetable oil with melted butter.
  • Use dark chocolate chunks for a richer chocolate flavor, or semi-sweet for a balanced sweetness.
  • These muffins freeze well; store them in an airtight container for up to 3 months.
  • You can omit the chocolate chunks if you prefer, but they add delightful texture and richness.