Hamburger Barbecue - cooking recipe

Ingredients

1 lb. hamburger
1 chopped onion
1 Tbsp. vinegar
1 Tbsp. sugar
1 Tbsp. Worcestershire sauce
1 tsp. salt
1 tsp. celery salt
1/2 c. ketchup

Preparation

Brown hamburger and onion, then add all ingredients.
Simmer for 20 minutes, stirring occasionally.