2 sticks butter, melted
1 1/3 c. graham crackers
1 c. peanut butter
2 c. powdered sugar
1 (12 oz.) chocolate chips
1/2 c. butter

Mix first 4 ingredients together and press in a 10 x 15 inch jelly roll pan. Melt chocolate chips and 1/2 cup butter together; spread over peanut butter mixture. Cool and cut into bars.