Beef with russet

1/4 cup butter or 1/4 cup margarine 1 cup finely minced onion 2 cups cooked peeled and sliced russet potatoes 2 cups chopped cooked fresh corned beef or 1 (12[...]

1 lb ground round 1 cup onion , diced 3/4 cup celery , diced 3/4 cup carrot , diced 1 tablespoon garlic , minced 3 cups chicken broth 2 cups russet potatoes ,[...]