1 lb. ground beef
1/2 c. chopped onion
1 can chicken gumbo soup
2 tbsp. ketchup
2 tbsp. mustard
2 tsp. sugar

Brown beef in skillet, add onions, salt and pepper to taste. Drain grease. Add remaining ingredients. Bring to boil. Lower heat, cover and simmer for 30 minutes. Spoon into warm hamburger buns. Add slaw if desired.