Mix Honey Teriyaki Sauce, Onion Onion, Garlic Garlic and water in bowl. Put chicken in slow cooker. Pour mixture over chicken breasts. Cook on Low for 4 hours or High for 2 hours.
Remove chicken breasts- let rest 10 minutes. Then slice. Mix chicken and sauce together again. Sprinkle with sesame seeds and serve over rice.
Optional- add cooked broccoli to sauce with chicken at the end.