Chili Sauce - cooking recipe

Ingredients

2 lb. hamburger
onion to taste
1 tsp. salt
1/4 tsp. pepper
2 tsp. vinegar
3 tsp. brown sugar
2 1/4 tsp. Worcestershire sauce
1/2 tsp. mustard
1 1/4 c. ketchup
2/3 c. water

Preparation

Brown together hamburger and onion.
Add rest of ingredients and simmer for 1/2 hour.