Ingredients
2 cups ketchup
2 cups cider vinegar
1 cup water
1/4 cup worcestershire sauce
3/4 cup packed dark brown sugar
2 tbsp ground black pepper
1/2 tsp salt
1 tbsp ground cayenne pepper
Preparation
Combine all ingredients in a medium saucepan and bring to a slow boil for 15 - 20 minutes until thickens.
Store refrigerated indefinitely.