1 1/2 c. peanut butter
3 c. powdered sugar
1/2 c. butter
1 c. Reese's peanut butter chips
1 c. chocolate chips
4 tbsp. butter

Mix together peanut butter, powdered sugar and butter. Melt peanut butter chips, chocolate chips, and butter. Spread on top of crust. Cut immediately. Refrigerate.