Ingredients
Equipment
Method
- Preheat oven to 350°F and line a 9x9-inch pan with parchment paper.
- Whisk melted butter and sugar until smooth. Add eggs, vanilla, food coloring, and vinegar.
- Fold in cocoa powder, flour, and salt until just combined.
- Spread half the batter in the pan.
- Layer Oreo cookies evenly over batter.
- Spread remaining batter over Oreos.
- Bake 28–32 minutes until edges are set.
- Cool completely before slicing.
Notes
For ultra-clean slices, chill brownies 30 minutes before cutting.
