Soy Sauce–Marinated Short Ribs with Ginger

Name: Soy Sauce–Marinated Short Ribs with Ginger
Ingredients: 2 cups soy sauce; 1 cup sugar; 2 tablespoons toasted sesame oil; 1 tablespoon crushed red pepper flakes; 6 garlic cloves, chopped; 1 2-inch piece ginger, peeled, chopped; 8 star anise pods; 4 2-inch-thick English-style bone-in beef short ribs (about 1 pound each); 1 tablespoon cornstarch; 1 tablespoon fresh lime juice; 2 cups cooked white rice (from 1 cup uncooked); 1 scallion, thinly sliced; 1 teaspoon toasted sesame seeds; Lime wedges and Sriracha (for serving)