North Carolina BBQ Sauce

1 1/2 c  Brown sugar                  1 c  Onion, chopped
1/2 c  Butter                         1 cl Garlic
1 c  Ketchup                        1/2 c  Vinegar
1 sm Heinz 57 Sauce                   1 tb Dry Mustard
1 tb Celery seed                           Red pepper flakes

Caramel butter and sugar until bubbly.  Add vinegar and whisk until lumps
are gone.  Add all other ingredients and cook over low heat until
thickened. More garlic may be added to taste. Red pepper flakes can be
added to taste.