3 (2.5 oz.) pkg. Buddig corned beef, chopped
1/4 c. onion, chopped
1 1/2 c. mayonnaise (not Miracle Whip)
1 (14 oz.) can Bavarian-style kraut
1 1/2 c. shredded Swiss cheese

Mix all ingredients together.

Bake in a 350°F oven for 30 minutes. Keep warm in a slow cooker. Serve on cocktail rye.