2. Place all ingredients (except kale) in a large slow cooker and cook on low for approximately 8 hours or 4 hours on high.
3. With heat still on, remove CrockPot lid (Be careful!) and remove and discard the skin from the chicken breasts.
4. Remove chicken from slow cooker and shred chicken, removing the meat from the bone. Discard bones and return chicken to CrockPot.
5. Add kale to slow cooker, replace lid and cook for an additional 1 hour on low, 30 minutes on high.