A chocolate cupcake with a peanut butter cup surprise on the bottom covered with a peanut butter frosting and sprinkled with Reese's Pieces. A peanut butter and chocolate lover's dream!
Preheat oven to 350 degrees. Line 18 muffin cups with cupcake liners.
Mix cake batter according to box instructions.
Place a small spoonful of batter in the bottom of each cupcake liner.Place a peanut butter cup on top of the batter in each cup.
Spoon cupcake batter into cupcake liners, filling 3/4 of the way.
Bake for 20-22 minutes or until firm to the touch on top. Let cool.
For Frosting, combine butter and peanut butter in a mixing bowl and beat with an electric mixer until smooth. Add in vanilla extract. Gradually beat in confectioners' sugar and heavy cream. Beat on high for a good 30 seconds.Taste for seasoning and add a pinch of salt if needed.
Spread frosting onto cupcakes with an offset spatula or a pastry bag fitted with a large star tip. Sprinkle with Reese's Pieces.
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Notes
Freezing the peanut butter cups keeps their shape intact so that they form a nice bottom layer instead of melting into the batter.