1 c. butter
1 c. peanut butter
2 c. graham cracker crumbs
2 c. confectioners' sugar
2 tbsp. Crisco shortening
12 oz. pkg. chocolate chips

Melt butter and peanut butter together. In a separate bowl, mix graham cracker crumbs with confectioners' sugar. Pour peanut butter mixture over graham cracker mixture and mix together. Spread in a 9x13 pan. Melt Crisco and chocolate chips in a pan. Pour this over mixture in pan and chill for one hour.