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The Ultimate Moist Chocolate Zucchini Bread: One-Bowl & Fudgy

A close-up of a rich, dark chocolate zucchini bread loaf topped with chocolate chips.

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Make this incredibly moist chocolate zucchini bread using a simple one-bowl method. This recipe uses sour cream to guarantee a fudgy texture that stays fresh for days, hiding vegetables perfectly in a decadent treat.

Ingredients

Scale
  • 2 cups all-purpose flour
  • 1 3/4 cups granulated sugar
  • 3/4 cup unsweetened cocoa powder
  • 1 teaspoon baking soda
  • 1/2 teaspoon baking powder
  • 1 teaspoon salt
  • 1 teaspoon ground cinnamon (optional)
  • 2 large eggs
  • 1/2 cup vegetable oil
  • 1 cup sour cream
  • 1 teaspoon vanilla extract
  • 1 1/2 cups grated zucchini, squeezed dry
  • 1 cup semi-sweet chocolate chips

Instructions

  1. Preheat your oven to 350°F (175°C). Grease and flour a 9×5 inch loaf pan, or line it with parchment paper.
  2. In a large mixing bowl, whisk together the flour, sugar, cocoa powder, baking soda, baking powder, salt, and cinnamon until combined. This is your one-bowl start.
  3. Add the eggs, vegetable oil, sour cream, and vanilla extract to the dry ingredients. Mix on low speed or by hand until just combined. Do not overmix.
  4. Fold in the grated, squeezed zucchini gently with a spatula.
  5. Stir in the chocolate chips until they are evenly distributed throughout the batter.
  6. Pour the batter into your prepared loaf pan.
  7. Bake for 55 to 65 minutes, or until a wooden skewer inserted into the center comes out with moist crumbs attached, but not wet batter.
  8. Let the bread cool in the pan for 15 minutes before carefully turning it out onto a wire rack to cool completely.

Notes

  • Squeeze as much liquid as possible from the grated zucchini using a clean kitchen towel or paper towels. This prevents a soggy loaf.
  • For an extra rich flavor, use dark cocoa powder or add an extra 1/2 cup of chocolate chips to the batter.
  • To keep your loaf moist for several days, wrap it tightly in plastic wrap once it is completely cool, then store it at room temperature.
  • This bread freezes well; wrap cooled slices tightly before freezing.

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