01 -
Preheat oven to 175°C. Coat a 23x33 cm baking pan with non-stick spray and line with parchment paper, allowing a 5 cm overhang on the sides.
02 -
Using a stand mixer fitted with a paddle attachment, beat the softened butter and granulated sugar together until the mixture is light and fluffy.
03 -
Add cooled melted chocolate, vanilla extract, and eggs to the bowl. Mix until just combined, scraping the sides as necessary.
04 -
Add flour and baking powder to the mixture. Mix until no streaks of dry flour remain.
05 -
Spread half of the brownie batter evenly in the prepared pan. Arrange approximately 24 Oreo cookies in a single layer over the batter.
06 -
Spread remaining batter over the Oreos, smoothing the surface. Sprinkle approximately 6 to 7 crushed Oreos on top, gently pressing them into the batter.
07 -
Bake for 30 to 35 minutes, or until a toothpick inserted 5 cm from the edge emerges with moist crumbs.
08 -
Allow brownies to cool fully in the pan on a wire rack. Use the parchment overhang to lift and transfer to a cutting board before slicing.
09 -
Keep brownies in an airtight container at room temperature for up to 3 days.