Barbecued Hamburger - cooking recipe

Ingredients

1 lb. lean ground beef
1 small onion, diced
1/2 c. catsup
2 Tbsp. chili sauce
1 tsp. prepared mustard
1 tsp. vinegar
1 tsp. sugar
hamburger buns

Preparation

Brown meat and onions in a large skillet.
Pour off the fat that accumulates.
Add all other ingredients, mixing well, and simmer 20 to 30 minutes, uncovered.
Spoon onto buns.