Spray slow cooker with cooking spray and place chicken breasts into the bottom.
In a mixing bowl combine chicken broth, water, soy sauce, brown sugar, honey, garlic, and sesame oil. Whisk together to combine. Pour over the chicken.
Cook on low heat for 6-7 hours.
30 minutes before serving take out the chicken and place on a plate and shred with two forks.
Mix cornstarch and cold water in small bowl and pour into the teriyaki sauce in the slow cooker. Whisk to combine. Add the shredded chicken back in and let cook on low for the remaining 30 minutes of cook time.
Serve over cooked white rice and garnish with green onions and sesame seeds.
