Barbecue - cooking recipe

Ingredients

5 lb. ground beef
1 large onion
5 tsp. vinegar
5 tsp. mustard
salt and pepper to taste
1 tsp. garlic salt
1 tsp. celery seed
1 1/2 c. sugar
3 c. (32 oz.) ketchup

Preparation

Brown hamburger; add remaining ingredients and cook.