This Gorgeous Glazed Turkey Is Inspired by a Chinese Culinary Classic

Name: This Gorgeous Glazed Turkey Is Inspired by a Chinese Culinary Classic
Ingredients: 1 cup (235ml) dark soy sauce; 1 cup (235ml) Shaoxing wine; 1 cup sugar (8 ounces; 225g); 1 cinnamon stick; 2 pieces star anise; 2 (1-inch) knobs peeled fresh ginger, lightly crushed under the heel of a knife, divided; 4 scallions, divided; 3 large onions, roughly chopped (about 1 1/2 quarts; 1 1/2 pounds; 680g), divided; 4 ribs celery, roughly chopped (about 1 quart; 12 ounces; 340g), divided; 1 whole turkey (12 to 14 pounds total; 5.5 to 6.3kg), butterflied according to these instructions, backbone, neck, and giblets reserved; 2 tablespoons (30ml) vegetable oil, divided; 1 1/2 quarts (1.4L) homemade or store-bought low-sodium chicken or turkey stock; Kosher salt and freshly ground black pepper