Add all the ingredients, except the tortillas and cheese, to the slow cooker and cook on low for 8 hours. Gently shred the chicken pieces once cooked.
Before serving, add the tortilla strips and a pinchful of cheese to each bowl.
Freezer Meal Instructions
Do not add the tortillas and the cheese to what you freeze. Let the main soup cool completely before adding to container or plastic freezer baggie. Thaw in a bowl of warm water and reheat in a saucepan. Add tortillas strips and cheese to each bowl before serving.