Grilled Quail with Sweet and Sour Plum Glaze

Name: Grilled Quail with Sweet-and-Sour Plum Glaze
Ingredients: 6 small (5-ounce) plums, divided; 1 cup fresh blackberries (5 ounces); 1 cup fresh orange juice; 1 cup packed plus 2 tablespoon light brown sugar, divided; ½ cup rice vinegar; 1 large shallot, thinly sliced (1/4 cup); 3 tablespoons (1 1/2 ounces) Shaoxing wine, divided; 2 tablespoons hoisin sauce, divided; 1 tablespoon plus 1 teaspoon grated peeled fresh ginger, divided; 1 tablespoon plus 1 teaspoon fish sauce, divided; 2 teaspoons grated garlic, divided; ½ teaspoon sriracha chile sauce; ¼ teaspoon ground coriander; ½ teaspoon ground white pepper, divided; 2 whole star anise; 1 medium (1-ounce) jalapeño, stemmed and halved crosswise; 1 tablespoon soy sauce; 1 tablespoon toasted sesame oil; 4 (4-ounce) skin-on semi-boneless quail, butterflied; ½ teaspoon kosher salt; ½ teaspoon black pepper; Arugula-Radish Salad (see Notes for recipe)