1 tbsp. catsup
1 lb. ground beef
1/2 c. onion, chopped
1/2 tsp. salt & pepper
2 tbsp. prepared mustard
2 tbsp. shortening
2 cans chicken gumbo soup

Brown meat in hot fat; and add onions and cook until brown. Add soup, mustard, catsup, salt and pepper. Simmer about 30 minutes on low heat. Serve on buns.