1 c. butter, melted
1 1/2 c. graham cracker crumbs
1 c. crunchy peanut butter
1 lb. box powdered sugar
12 oz. chocolate chips, melted

Mix first 4 ingredients and put into 11x15 ungreased cookie sheet. Spread melted chocolate over cookie base. Cut into squares immediately. Store in refrigerator. Makes 64 cookies.