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Ultimate Fudgy Oreo Brownies with a Shiny, Crackly Top

A close-up of a fudgy square of Oreo brownies showing the shiny, crackly top and white cream filling.

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Make these homemade Oreo brownies for the ultimate decadent chocolate treat. This recipe delivers dense, fudgy brownies with a perfect, shiny, crackly top, loaded with whole and crushed Oreo cookies.

Ingredients

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  • 1 cup (2 sticks) unsalted butter
  • 1 1/4 cups granulated sugar
  • 1 cup packed light brown sugar
  • 4 large eggs
  • 1 tablespoon vanilla extract
  • 3/4 cup unsweetened cocoa powder, natural or Dutch-process
  • 1/2 cup all-purpose flour
  • 1/2 teaspoon salt
  • 1/4 teaspoon baking powder
  • 1 cup semi-sweet chocolate chips
  • 12 Oreo cookies, whole or crushed for batter
  • 1 cup Oreo cookies, roughly chopped for topping

Instructions

  1. Preheat your oven to 350°F (175°C). Line a 9×9 inch metal baking pan with parchment paper, leaving an overhang on two sides for easy removal. Lightly grease the paper.
  2. In a medium saucepan over low heat, melt the butter. Remove from heat.
  3. Whisk the granulated sugar and brown sugar into the melted butter until fully combined.
  4. Whisk in the eggs one at a time, mixing well after each addition. Stir in the vanilla extract.
  5. In a separate bowl, whisk together the cocoa powder, flour, salt, and baking powder.
  6. Gradually add the dry ingredients to the wet ingredients, mixing only until just combined. Do not overmix.
  7. Fold in the chocolate chips and the 12 whole or crushed Oreos meant for the batter.
  8. Spread half of the batter evenly into the prepared pan. Arrange the remaining whole Oreo cookies over the batter layer if desired for a more distinct layer. Pour the remaining batter over the top and spread gently.
  9. Sprinkle the roughly chopped Oreo topping evenly over the surface.
  10. Bake for 30 to 35 minutes. For fudgy brownies, a toothpick inserted near the center should come out with moist, fudgy crumbs attached, not wet batter.
  11. Let the brownies cool completely in the pan on a wire rack before lifting out using the parchment overhang. Cut into squares.

Notes

  • For the best shiny, crackly top, do not overbake the brownies. The residual heat will continue to set them as they cool.
  • Use high-quality cocoa powder for the deepest chocolate flavor in your fudgy brownie recipe.
  • If you prefer a layered dessert bars experience, you can press a thin layer of store-bought or homemade cookie dough onto the bottom before adding the brownie batter.

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