Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      tablespoon    oil
   1      medium        onion -- grated
   2      cloves        garlic -- minced
   1      cup           tomato ketchup
     3/4  cup           cider vinegar
     3/4  cup           water
   6      tablespoons   brown sugar
   6      tablespoons   chili powder
   1      6 oz can      tomato paste
   3      tablespoons   Worcestershire sauce
   1      tablespoon    prepared mustard
   1      tablespoon    black pepper
   1      tablespoon    dark Karo syrup

Preparation:

Sauté the onion and garlic until they are softened, about 5 minutes. Mix in the remaining ingredients, reduce the heat to low and cook the mixture until it thickens, approximately 30 minutes. Stir frequently. If the consistency is thicker that you prefer, add a little water.