Add chicken to slow cooker.
Whisk remaining ingredients in a small bowl and pour over chicken.
Cover and cook on LOW for about 3-4 hours (or 4-5 hours for chicken thighs).
Shred chicken. Cook for 30 more minutes.
Serve in flour or corn tortillas, with desired toppings. Or, use shredded taco chicken for enchiladas, quesadillas, tostadas, burritos, taco salads etc.
