Spread ⅓ of 1 (16-oz) jar salsa over bottom of crock.
Place 2 pounds chicken breast on top and sprinkle with 2 tablespoons taco seasoning.
Place 1 (15-oz) can black beans, 1 cup corn and 1 onion (chopped) on top of chicken.
Spread remaining salsa on top.
Cover and cook on LOW for 8 hours or on HIGH for 4 hours.
Once done, remove chicken, shred, stir back into salsa mixture.
Allow to sit for 5-10 minutes before serving with favorite taco toppings.
