North Carolina: Piedmont III

  1/2 ea Stick butter                 3/4 c  Brown sugar
  1/4 c  Minced onion                   1 ts Worcestershire Sauce
1 1/4 c  Cider vinegar                1/4 ts Cayenne pepper
1 1/4 c  Ketchup                             Salt and pepper to taste

Saute onion in butter.  Add rest of ingredients and simmer 30 minutes. Use
on pork smoked with vinegar based mop.