Reuben Appetizer
["8 slices Swiss cheese chopped", "8 slices American cheese chopped", "1 small can Sauerkraut drained", "1 large can pitted black olives chopped", "3 6-8 oz. pkg. chopped beef", "1 c. mayonnaise"]
["Mix all ingredients together.\tPlace in a 1 1/2 - 2 quart baking dish.", "Bake uncovered at 350\u00b0 for 20 minutes.", "Serve on cocktail bread."]
["Swiss cheese", "cheese", "black olives", "beef", "mayonnaise"]