Tennessee BBQ Sauce

• 1 C. Ketchup
• 1/2 C. Vinegar
• 1/4 C. Worcestershire sauce
• 2 C. Water
• 1 Onion, fine chopped
• 1/2 C. Brown sugar
• 1 tsp. Celery seed
• 1/2 tsp. Kosher Salt

1. Combine ingredients in small saucepan and bring to boil.

2. Reduce heat and simmer until sauce thickens slightly, stirring occasionally.