Add all the ingredients to the bottom of a slow cooker. Cook on low for 6 hours.
Remove chicken from slow cooker to a cutting board and shred. Return to cooker.
Pressure Cooker
Add all the ingredient to the bottom of the pressure cooker. Cover and cook on high pressure for 12 minutes. Let pressure naturally release for 10 minutes and then release remaining pressure.
Remove chicken from slow cooker to a cutting board and shred. Return to cooker.