01 -
Preheat the oven to 350°F. Line an 8x8-inch baking pan with parchment paper.
02 -
In a large mixing bowl, whisk together sugar, flour, melted butter, eggs, cocoa powder, vanilla extract, baking powder, and salt until the batter is smooth and fully incorporated.
03 -
Pour half of the batter into the prepared pan. Evenly sprinkle one bag of Reese’s Baking Cups and Reese’s Pieces over the batter. Pour the remaining batter over the candy layer.
04 -
Sprinkle the second bag of Reese’s candy evenly over the top and gently press the pieces into the surface of the batter.
05 -
Bake for 55 to 65 minutes, or until a toothpick inserted in the center comes out clean.
06 -
Allow the brownies to cool completely in the pan before cutting into 16 pieces and serving.