Barbecue Sauce - cooking recipe

Ingredients

3 Tbsp. butter
1/2 c. vinegar
1/2 c. water
2 tsp. mustard
1/3 c. onion, chopped
1 c. catsup
2 Tbsp. brown sugar
2 Tbsp. Worcestershire sauce

Preparation

Saute onion in butter.
Mix rest of ingredients with onions and simmer on low for 10 minutes.