Place chicken breasts in slow cooker.

In a small bowl, whisk together the honey, soy sauce, onion, ketchup, oil, garlic, and red pepper flakes. Pour over chicken in the slow cooker.

Cook the chicken on low for 3-4 hours or on high 1 ½ -“ 2 ½ hours, or just until chicken is cooked through.

Remove chicken from slow cooker, leave sauce. Whisk the cornstarch into liquid in the crock pot. Replace lid and cook sauce on high for ten more minutes or until slightly thickened.

Shred chicken or cut into bite size pieces, then return to pot and coat with sauce. Serve chicken over rice, garnished with sesame seeds.