1/4 c. butter
1 1/2 c. graham cracker crumbs
1 (14 oz.) Eagle Brand condensed milk
1 (12 oz.) bag semi-sweet chocolate chips
1 c. Reese's peanut butter chips

Preheat oven to 350 degrees. Melt butter and put in 9x13 inch pan. Mix with graham cracker crumbs and flatten. Pour condensed milk evenly over top. Top with chips. Push chips down into milk with spatula. Bake 25-30 minutes or until light brown. Cool and cut. Store loosely covered.