Hamburg Barbecue - cooking recipe

Ingredients

32 oz. Heinz ketchup
3 Tbsp. vinegar
1 1/2 tsp. celery seed
1 tsp. salt
1/4 c. chopped onion
1 Tbsp. mustard
3 Tbsp. Worcestershire sauce
1 c. sugar
1/4 tsp. pepper
3 lb. hamburg

Preparation

Combine all ingredients, except hamburg.
Brown hamburg while sauce is simmering.
Drain hamburg.
Put into sauce.
Simmer at least 1 hour.