1/2 c. butter
1 1/2 c. graham cracker crumbs
1 (14 oz.) can Eagle Brand sweetened condensed milk
1 (12 oz.) pkg. semi-sweet chocolate chips
1 c. peanut butter chips

Preheat oven to 350 degrees. In a 9x13 inch glass baking dish, melt butter in oven. Sprinkle graham cracker crumbs evenly over butter. Pour milk evenly over graham cracker crumbs. Top with chips. Press down firmly. Bake 25-30 minutes until lightly brown. Cool and cut into bars.