Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1                    onion -- chopped
   2      cups          orange juice
   4      cups          catsup
     1/2  cup           fresh lime juice
     1/2  cup           cider vinegar
     1/4  cup           brown sugar
   1      tablespoon    salt
   1      tablespoon    black pepper
   2      tablespoons   dry mustard
   2      tablespoons   crushed red pepper
   2      teaspoons     garlic powder
   1      teaspoon      chili powder
   2      tablespoons   Tabasco
   2      tablespoons   tamarind paste
   2      tablespoons   honey
   2 1/2  sticks        butter

Preparation:

Add the onion and 1/2 cup of the juice to a blender and puree until smooth. Transfer to a medium-size saucepan. Add the remaining ingredients to the saucepan and bring to a boil. Simmer for 25 to 30 minutes. Set aside to cool. Sauce keeps two weeks in fridge.