Luto Ni Aling Doray #166 - Tennessee BBQ Sauce

1 Cup Catsup
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

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