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Ultimate Fudgy Oreo Brownies with a Shiny, Crackly Top

Two rich, fudgy oreo brownies stacked slightly on a white plate, showing white chunks inside.

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Make these homemade Oreo brownies from scratch for a rich, dense, and chewy dessert. This recipe delivers the best fudgy brownie texture topped with a desirable shiny crust, far surpassing boxed mixes.

Ingredients

Scale
  • 1 cup (2 sticks) unsalted butter, melted
  • 2 cups granulated sugar
  • 1 cup packed light brown sugar
  • 4 large eggs, room temperature
  • 1 tablespoon vanilla extract
  • 1 cup all-purpose flour
  • ¾ cup unsweetened cocoa powder, natural or Dutch-process
  • ½ teaspoon salt
  • ½ teaspoon baking powder
  • 1 cup chocolate chips (semisweet or dark)
  • 12 Oreo cookies, roughly chopped

Instructions

  1. Preheat your oven to 350°F (175°C). Line a 9×13 inch baking pan with parchment paper, leaving an overhang on the sides for easy removal. Lightly grease the paper.
  2. In a large bowl, whisk together the melted butter, granulated sugar, and brown sugar until fully combined.
  3. Whisk in the eggs one at a time, mixing well after each addition. Stir in the vanilla extract.
  4. In a separate medium bowl, whisk together the flour, cocoa powder, salt, and baking powder.
  5. Gradually add the dry ingredients to the wet ingredients, mixing only until just combined. Do not overmix.
  6. Gently fold in the chocolate chips and the chopped Oreo cookies.
  7. Pour the batter into the prepared baking pan and spread evenly.
  8. Bake for 28 to 35 minutes. For fudgy brownies, aim for a toothpick inserted near the center to come out with moist crumbs attached, not wet batter.
  9. Let the brownies cool completely in the pan on a wire rack before lifting them out using the parchment paper overhang.
  10. Once cool, cut into squares. For the best texture, chill for 30 minutes before slicing.

Notes

  • To achieve the shiny, crackly top, ensure your butter and sugar are thoroughly mixed before adding the eggs. Whisk vigorously for 60 seconds after adding the sugar to dissolve some of the sugar crystals.
  • For an extra decadent experience, use a mix of whole and crushed Oreos, placing a few whole ones on top of the batter before baking.
  • If you want to make Mint Oreo Brownies, substitute 8 of the regular Oreos with Mint Oreos.

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