1 1/2 c. peanut butter
1 lb. box confectioners' sugar
1 1/2 c. graham cracker crumbs
2 sticks melted butter
1 (12 oz.) pkg. chocolate chips

Beat first 4 items together. Pat into greased 9 x 13 inch pan. Melt chocolate chips in microwave and spread over mixture. Refrigerate and cut. Do not bake.