2 sticks butter, soft
1 box powdered sugar
1 (4 oz.) Jiff peanut butter
2 c. graham cracker crumbs
1 (14 oz.) bag semi-sweet chocolate chips

Mix above ingredients (first 4) and press firmly into 9 x 13 inch pan. Melt on low heat, chocolate morsels. Place on top. With a plastic knife cut into squares. Store in refrigerator.