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Ultimate Fudgy Oreo Brownies with a Shiny, Crackly Top

Close-up of a fudgy Oreo brownie square with a shiny, crackled top and visible white Oreo filling inside.

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Make these made-from-scratch Oreo brownies for a rich, dense texture and a gorgeous, shiny, crackly crust. These cookies and cream brownies are chewy, fudgy, and perfect for any chocolate lover.

Ingredients

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  • 1 cup unsalted butter
  • 1 cup granulated sugar
  • 1 cup packed light brown sugar
  • 4 large eggs
  • 1 tablespoon vanilla extract
  • 3/4 cup unsweetened cocoa powder
  • 1 teaspoon salt
  • 1/2 teaspoon baking powder
  • 3/4 cup all-purpose flour
  • 1 cup chopped Oreo cookies (about 8 cookies)
  • 1/2 cup whole Oreo cookies for topping

Instructions

  1. Preheat your oven to 350°F (175°C). Line a 9×9 inch baking pan with parchment paper, leaving an overhang on two sides for easy removal. Lightly grease the paper.
  2. In a medium saucepan, melt the butter over low heat. 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, salt, and baking powder. Add this dry mixture to the wet ingredients and mix until just combined. Do not overmix.
  6. Gently fold in the 1 cup of chopped Oreo cookies.
  7. Spread the batter evenly into the prepared pan. Arrange the whole Oreo cookies on top of the batter.
  8. Bake for 30 to 35 minutes. The edges should look set, and a toothpick inserted near the center should come out with moist crumbs attached, not wet batter. This ensures a fudgy texture.
  9. Let the brownies cool completely in the pan on a wire rack before lifting them out using the parchment overhang.
  10. Cut into squares. For the best fudgy texture, chill the brownies for at least one hour before slicing.

Notes

  • For the best shiny, crackly top, do not overmix the batter once the flour is added. Overmixing develops gluten, which hinders the crust formation.
  • Use high-quality cocoa powder for a deeper chocolate flavor in your homemade brownies.
  • If you prefer a chewier texture, slightly underbake the brownies by about 2 minutes.

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