Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   8      tablespoons   mustard
   1      teaspoon      black pepper
   6      tablespoons   sugar
   1      teaspoon      white pepper
   1      cup           cider vinegar
     1/2  teaspoon      soy sauce
   2      teaspoons     chili powder
   2      tablespoons   butter

Preparation:

Combine all but soy and butter, heat 10 minutes. Add soy sauce and butter at end.