Yowza Barbecue Sauce

Description
Purchased from the Bowers Estate in Fort Worth, Texas in 1994. Dated 1947.
 * Contributed by Cat's Recipes Y-Group

Ingredients

 * 1 large white onion, chopped
 * 2 cups fresh orange juice
 * 4 cups spicy catsup
 * ½ cup fresh lime juice
 * ½ cup cider vinegar
 * ¼ cup brown sugar
 * 1 tablespoon salt
 * 1 tablespoon freshly ground black pepper
 * 2 tablespoons dry mustard
 * 2 tablespoons crushed red pepper
 * 2 teaspoons garlic powder
 * 1 teaspoon chili powder
 * 2 tablespoons Tabasco sauce
 * 2 tablespoons tamarind paste
 * 2 tablespoons honey
 * 2½ sticks butter

Directions

 * 1) Add the onion and ½ cup of the juice to a blender and puree until smooth.
 * 2) Transfer to a medium-size saucepan.
 * 3) Add the remaining ingredients to the saucepan and bring to a boil.
 * 4) Simmer for 25 to 30 minutes.
 * 5) Set aside to cool.