1/2 c. butter
1 1/2 c. graham crackers, crumbled
1 (14 oz.) can Eagle Brand sweetened condensed milk
1 (12 oz.) pkg. semi-sweet chocolate chips
1 c. Reese's peanut butter chips

Preheat oven to 350 degrees (325 degrees for glass dish). In a 13x9 inch baking pan, melt butter in oven. Sprinkle crumbs over butter; pour condensed milk over crumbs. Top with chips, press firmly. Bake 25-30 minutes or until lightly browned. Cool. Store loosely covered at room temperature.