Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1 1/2  cups          cider vinegar
     1/2  cup           water
     1/2  cup           ketchup
   1      teaspoon      salt
   1                    onion -- chopped
   2      tablespoons   brown sugar
   1      tablespoon    Worcestershire sauce
     1/8  teaspoon      red pepper

Preparation:

Combine all ingredients and simmer 15 minutes. Allow time for flavors to blend.