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Slices of chocolate zucchini bread.
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5 from 1 vote

Double Chocolate Zucchini Bread

Prep Time10 mins
Cook Time1 hr
Total Time1 hr 10 mins


  • 2 large eggs
  • 1 cup granulated sugar
  • 1/2 cup vegetable oil
  • 1-1/2 teaspoons vanilla extract
  • 2 cups all purpose flour
  • 1/2 cup unsweetened cocoa powder
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1 cup sour cream or plain Greek yogurt
  • 2 cups shredded zucchini from 1 good-sized or 2 small zucchini, gently packed (don't peel)
  • 1 cup semi-sweet chocolate chips


  • Preheat oven to 350 degrees. Generously coat a 9" x 5" loaf pan with non-stick cooking spray.
  • In large bowl beat eggs with an electric hand mixer. Add sugar and beat for a minute or two until completely combined. Pour in the oil, with beaters running, and then add vanilla.
  • In a separate bowl, whisk together the flour, cocoa powder, salt, baking powder, and baking soda. Using a wooden spoon, add dry mixture to the wet mixture in increments, alternating with the Greek yogurt, stirring after each addition. Stir in the shredded zucchini and chocolate chips.
  • Spoon the batter into the prepared loaf pan and smooth surface evenly. Bake for 55 to 60 minutes, or until a toothpick inserted in center comes out clean. Remove the pan from oven and allow cool for about 10 minutes. Remove bread from pan and allow to cool completely before slicing.