North Carolina: Piedmont VI

1 1/2 c  Brown sugar                         1 tb Celery seed
1/2 c  Cider vinegar                       1 c  Onion, chopped
1 ea Stick butter                        1 ea Clove garlic
1 c  Ketchup                             1 tb Dry mustard
6 oz Heinz '57' sauce                         -Red pepper flakes to taste

Cook sugar, butter until bubbly.  Add vinegar and whisk.  Add rest of
ingredients and cook until thick.