North Carolina Barbecue Sauce

1 cup cider vinegar
2/3 cup yellow mustard
1/2 cup firmly packed light brown sugar
2 tablespoons butter
1 teaspoon soy sauce
1 teaspoon chili powder
1/4 teaspoon crushed red pepper
1 teaspoon black pepper

In a medium saucepan, combine all the ingredients over medium heat.
Bring to a boil and continue to boil for 5 minutes, or until the sauce has thickened, stirring constantly.
Serve warm.

NOTE: This is a super sauce that's good for basting or as a warm dipping sauce.

Yields: about 1 2/3 cups