1/4 cup packed dark brown sugar
1 tablespoon cornstarch or arrowroot
2/3 cup apple juice
1/4 cup cider vinegar
1 teaspoon grated orange, lemon, or lime zest
1. In a saucepan, stir together the sugar and cornstarch until incorporated, then stir in the apple juice and vinegar. Bring to boil, stirring constantly, until the sugar is dissolved.
2. Reduce to a simmer, add the citrus zest, and cook, stirring, until thickened.
3. Remove from the heat and use to brush on poultry, beef, pork, lamb, and sausage.