In a medium bowl, combine the diced onion, garlic, honey, soy sauce, Hoisin sauce, oil, and pepper flakes, and mix well.
⅓ cup Sweet onion, ½ cup Honey, ½ cup Soy sauce, ½ cup Hoisin sauce, 2 Tablespoons Vegetable oil, ¼ teaspoon Crushed red pepper flakes
Place the chicken breasts in the slow cooker, then pour the sauce mixture over top. Cover, and cook on LOW for 3 hours and 30 minutes.
2 lbs Chicken breast
Once the chicken has cooked, add the cornstarch to a small bowl and add in ¼ cup of the sauce from the cooker. Mix until well dissolved, then slowly pour back into the cooker and stir. Cover, and cook another 15-20 minutes.
3 Tablespoons Cornstarch
Remove the chicken from the slow cooker, cut or shred as desired, and serve over rice with a garnish of green onions and sesame seeds!
Salt and pepper, 1 Green onion, Sesame seeds