Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1 1/2                yellow onions -- finely chopped
   6      cloves        garlic -- minced
   2      tablespoons   olive oil
     3/4  cup           tomato paste
   1 1/2  cups          water
   1      teaspoon      herbs de provence -- (thyme, basil,
                        -- rosemary,
                        fennel -- savory)
   4      tablespoons   red wine vinegar
   2      tablespoons   Dijon mustard
     1/4  teaspoon      chili powder
                        one lemon -- juice of
   1      tablespoon    Worcestershire sauce
   2      tablespoons   dark brown sugar
   1      dash          Tabasco sauce
   1      tablespoon    salt
   1      tablespoon    black pepper
   1      pinch         cayenne -- optional

Preparation:

Sauté the onion and garlic in the olive oil until soft and golden - about 15 minutes. Add the tomato paste and water and stir to blend well, then add the herbs, vinegar, mustard, chili powder, lemon juice, Worcestershire sauce, and brown sugar. Add seasonings (salt, pepper, Tabasco, cayenne) in quantities above, or to taste. Simmer, stirring occasionally, for 20 minutes, then correct seasoning if necessary, cover, and set aside to cool. Refrigerate until ready to use.