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

Combine cracker crumbs, butter, peanut butter and powdered sugar. Press into greased 9 x 13 inch pan. Spread melted chocolate on top. Chill until firm.