Piedmont North Carolina Style Bbq Sauce XIV

Sauces

1/2 cup water
1/2 cup cider vinegar
1 cup ketchup
1 teaspoon salt
1 tablespoon sugar
1 tablespoon Worcestershire sauce
1 tablespoon Tabasco sauce
1/2 teaspoon black pepper
1 onion; chopped

Simmer one hour.