Barbecue Sauce - cooking recipe

Ingredients

1 pat of butter
1 small onion, chopped
1/2 c. ketchup, watered
1 Tbsp. Worcestershire sauce
1 tsp. brown sugar
1 Tbsp. vinegar
1 tsp. chili powder
1 tsp. mustard
1 tsp. garlic salt

Preparation

Simmer onion in butter.
Add all other ingredients and simmer about 5 minutes.