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Ultra Fudgy & Moist Chocolate Zucchini Brownies (Secretly Healthy!)

Close-up of two stacked, fudgy zucchini brownies with visible melted chocolate chips on a light plate.

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Welcome to My Kitchen! I developed this recipe to give you the richest, fudgiest brownies you have ever tasted, all while sneaking in garden-fresh zucchini for extra moisture. No one will guess the secret ingredient in these decadent chocolate squares.

Ingredients

Scale
  • 1 cup all-purpose flour
  • 1/2 cup unsweetened cocoa powder
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 cup granulated sugar
  • 1/2 cup packed light brown sugar
  • 2 large eggs
  • 1/2 cup vegetable oil
  • 1 teaspoon vanilla extract
  • 1 cup finely grated zucchini, squeezed dry
  • 1/2 cup semi-sweet chocolate chips (optional add-in)

Instructions

  1. Preheat your oven to 350°F (175°C). Grease and flour a 9×9 inch baking pan, or line it with parchment paper leaving an overhang.
  2. In a medium bowl, whisk together the flour, cocoa powder, and baking soda. Set this dry mixture aside.
  3. In a large bowl, whisk together the granulated sugar, brown sugar, eggs, vegetable oil, and vanilla extract until well combined.
  4. Add the dry ingredients to the wet ingredients. Mix with a spatula until just combined. Do not overmix the batter.
  5. Gently fold in the finely grated and squeezed zucchini. If using, fold in the chocolate chips now.
  6. Spread the batter evenly into your prepared baking pan.
  7. Bake for 25 to 30 minutes. A toothpick inserted near the center should come out with moist crumbs attached, not wet batter, for that perfect fudgy texture.
  8. Let the brownies cool completely in the pan on a wire rack before cutting into squares. Cooling helps them set up properly.

Notes

  • Squeeze the grated zucchini very well using a clean kitchen towel or paper towels. Removing excess water is key to achieving a fudgy texture instead of a cakey one.
  • For the richest chocolate flavor, use high-quality cocoa powder in this recipe.
  • If you want an extra decadent top, sprinkle a few extra chocolate chips over the batter right before baking.

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