1 lb. ground beef
1/4 c. chopped onion
1 can chicken gumbo soup
1/2 tsp. salt
2 tbsp. prepared mustard
2 tbsp. catsup
1 tbsp. Worcestershire sauce
Pepper to taste

Brown ground beef; add onion and cook until golden brown. Drain fat. Add remaining ingredients and simmer over low heat about 20 minutes. Serve warm on hamburger buns. Makes about 8 buns.