1 c. peanut butter
1 box powdered sugar
1 c. butter, melted
6 oz. pkg. chocolate chips (or 8 oz. Hershey bar)

Mix peanut butter, sugar and butter. Press into long Pyrex dish. melt the chocolate and pour over the peanut butter mixture. Let harden. Store in cool place. Cut into 1 inch squares and store in an airtight container.