Beef Barbecue - cooking recipe

Ingredients

1 lb. ground beef
3/4 c. catsup
1 tsp. mustard
1 tsp. Worcestershire sauce
2 to 3 Tbsp. vinegar
butter (size of small egg)
sugar to taste
chopped onion

Preparation

Mix all together; fry until meat is brown and simmer 15 minutes. Serve on buns.