Place all ingredients, except cilantro, in crockpot over low heat for 4 hours.
Check at 4 hours if chicken is cooked through and has reached an internal temperature of 165 degrees.
If desired, mix 2 tsp cornstarch with 1 Tbsp cold water and add to crockpot. Stir and let sauce thicken. Serve over rice or quinoa and sprinkle with cilantro.