for serving: tortillas, shredded cheese, avocado or guacamole, tomatoes, additional salsa, etc.
Place chicken in bottom of slow cooker. Sprinkle with taco seasoning. Spoon salsa on top of chicken and spread to cover chicken.
Cook on low for 3 to 4 hours, or on high for 2 hours, until chicken is cooked through. Chicken is done when it registers 165° F on an instant read thermometer.
Remove chicken to a plate to cool slightly, along with any salsa that is on top of the chicken. Shred chicken with two forks or your fingers and place in a bowl. Stir in some of the liquid from the slow cooker, starting with ¼ cup and adding more as desired.
Serve chicken in tortillas with toppings as desired.
Nutrition information is for salsa chicken only, and will vary based on the type of taco seasoning and salsa you use.