8 chicken breast halves
2 1/2 oz. jar dried beef slices
1 can cream of mushroom soup
8 oz. sour cream
Swiss cheese

Place chicken in baking dish. Place dried beef over meat. Mix cream of mushroom soup and sour cream together and spread over meat. Bake at 275 to 300 degrees for 1 hour and 15 minutes. Remove and cover with Swiss cheese and cook additional 15 minutes.