1 box powdered sugar
1 1/2 c. graham cracker crumbs
2 sticks butter
1 c. peanut butter
1/3 c. butter
1 pkg. chocolate bits

Combine sugar, graham crackers, 2 sticks butter, and peanut butter. Press into a 9 x 13 pan. Melt 1/3 cup butter with chocolate bits. Spread on top of peanut butter mixture. Cool.