Peanut Butter Cup Blondies

1 cup butter, softened
1 cup sugar
1 cup packed brown sugar
2 eggs
1 cup peanut butter
1 tsp vanilla
2 cups flour
1 tsp baking powder
2 cups chopped Reese cups, divided


With an electric mixer, cream together butter and sugars. Add eggs one at a time. Stir in peanut butter and vanilla until smooth. Add flour and baking powder and stir until well combined. Gently fold in 1 1/2 cups chopped Reese cups. Spread batter into a greased 9x13 pan. Sprinkle remaining 1/2 cup Reese cups over top. Bake at 350 for 25 - 30 minutes.