1/2 cup ketchup
1/4 cup vinegar
1/4 cup water
4 tbsp Worcestershire sauce
2 tsp onion powder
1 tbsp dry mustard

Mix all of the ingredients together in a small non-stick saucepan. Heat over a low heat, stir frequently, until the sauce begins to boil.Allow to cool, then bottle, and store in refrigerator. Use within 4 days.

This recipe makes about 1 1/2 cups of Barbecue Sauce