Slow Cooker Honey Garlic Chicken

Name: Slow Cooker Honey Garlic Chicken
Ingredients: 8 boneless, skinless chicken thighs (about 2 pounds total); 1/3 cup honey; 1/2 cup low-sodium soy sauce; 1/4 teaspoon crushed red pepper flakes; 6 cloves garlic, minced; 2 tablespoons minced peeled fresh ginger (from a 1-inch piece); 1 tablespoon rice wine vinegar; 2 tablespoons light brown sugar; 1 teaspoon toasted sesame oil; Freshly ground black pepper; 2 tablespoons cornstarch; Chopped scallions, toasted sesame seeds and cooked white rice, for serving