Tennessee BBQ Sauce

INGREDIENTS

1 Cup Ketchup
1/2 Cup Vinegar
1/4 Cup Worcestershire sauce
2 Cup Water
1 Onions, chopped
1/2 Cup Brown sugar
1 Teaspoon Celery seed
1/2 Teaspoon Salt




METHOD

Combine ingredients in small saucepan and bring to boil.
Simmer until reduced to thick sauce, stirring occasionally.