Ingredients:

  • ½ cup (115g) unsalted butter, melted
  • 1 cup (200g) granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • ½ cup (125g) creamy peanut butter
  • ½ cup (65g) all-purpose flour
  • ¼ cup (25g) unsweetened cocoa powder
  • ½ teaspoon baking powder
  • ¼ teaspoon salt
  • 1 cup (about 150g) mini Reese
  • s Cups, chopped (plus more for topping)

Instructions:

  1. Preheat the oven to 350°F (175°C).
  2. Prepare the baking pan by greasing it or lining it with parchment paper.
  3. In a bowl, combine flour, cocoa powder, baking powder, and salt. Set aside.
  4. In a large bowl, whisk together melted butter and sugar until fully combined. Add eggs one at a time, mixing after each, and then stir in vanilla and peanut butter.
  5. Gradually add the flour mixture to the wet ingredients until just combined.
  6. Gently fold chopped Reeses Cups into the brownie batter.
  7. Spread half of the brownie batter into the prepared baking pan.
  8. Evenly distribute remaining chopped Reeses Cups over the batter, followed by the rest of the brownie batter on top.
  9. Place in the preheated oven and bake for 25-30 minutes, or until a toothpick inserted in the center comes out with moist crumbs.
  10. Allow the brownies to cool in the pan before slicing into squares.