1 c. butter
1 c. peanut butter
2 c. chocolate chips
1 3/4 c. graham cracker crumbs
2 1/2 c. powdered sugar

Melt butter, remove from heat, add peanut butter and dissolve. Pour liquid into bowl with sugar and cracker crumbs. Mix. Press in a 9"x13" pan. Melt chips and pour over top. Cut into squares when cool.