1 c. butter, melted
1 c. peanut butter
1 box confectioner's sugar, sifted
1 1/2 c. graham cracker crumbs
1 (12 oz.) pkg. semi-sweet chocolate chips

Melt butter. Add peanut butter and mix well. Add confectioner's sugar and mix well. Add crumbs and mix well. Put in a 9" x 13" pan and pack down. Melt chips over low heat and spread over peanut butter mixture. Let cool completely. Cut into squares.