1/3 lb. graham crackers, finely crushed
1 c. butter
1 c. peanut butter
1 lb. confectioners' sugar
2 c. chocolate chips

Combine crumbs, butter, peanut butter and sugar. Work together until smooth. Press mixture into buttered 9 x 13 inch pan. Melt chocolate chips over low heat, watch carefully so it won't burn, stirring to melt. Spread over cracker mixture. Refrigerate until firm. Cut into squares.