Eastern North Carolina BBQ Sauce, a la Egerton

Grrrrrgh!
Course : BBQ Sauce
From: HungryMonster.com
Serves: 1
 

Ingredients:

2 cups cider vinegar
1 tablespoon peppercorns
1 teaspoon celery seed
1 teaspoon salt
1 tablespoon red pepper flakes
1 medium Onion -- finely chopped
1 cup water
 

Preparation:

Preparation: Combine in a large saucepan. Bring to a boil, reduce heat, and simmer uncovered for an hour. Strain to remove the peppercorns if you like.