REUBEN DIP
From KPLA web site

8 ounces shredded Swiss cheese
¾ cup real mayo
8 ounces shredded cheddar cheese
1 (16oz.) can sauerkraut, drained
8 oz. Deli corn beef

Mix all ingredients. Bake in a two quart covered casserole at 350 for 30-40 minutes. Great served on party rye.