Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      cup           onions
                        olive oil
   1      cup           water
   4      tablespoons   water
   4      tablespoons   white vinegar
   2      tablespoons   Worcestershire sauce
     1/2  cup           lemon juice
   4      tablespoons   brown sugar
   2      cups          chili sauce
   1      teaspoon      salt
     1/2  teaspoon      paprika
   2      teaspoons     pepper
   2      teaspoons     mustard
  28      ounces        ketchup
     1/2  teaspoon      ground ginger
   1      teaspoon      ground coriander
                        Tabasco sauce -- to taste

Preparation:

Sauté 1 cup of onions in a small amount of olive oil until they are dark brown--just before they get black. Add remaining ingredients and simmer for 20 minutes.