3 cups cider vinegar
3/4 cup sugar
2 tablespoons brown sugar
1/3 cup ketchup
1/4 cup honey
1/4 cup kosher salt
2 tablespoons crushed red pepper flakes
1 1/2 teaspoons fresh ground black pepper

Heat the vinegar and sugars in a medium saucepan over medium heat until the sugar dissolves completely. Stir in the remaining ingredients. Raise the heat until the mixture just starts to simmer and then remove from the heat. Stir well and set aside or refrigerate until use.

Makes about 1 quart