Barbecue Sauce - cooking recipe

Ingredients

1 onion, grated
1 (15 oz.) can tomato sauce
1/4 bottle catsup
3 Tbsp. vinegar
1 tsp. chili powder
1 Tbsp. prepared yellow mustard
1/4 c. brown sugar
1 tsp. Worcestershire sauce
salt and pepper to taste

Preparation

Simmer until thick, about 20 minutes.