01 -
Place the chicken breasts in the bottom of the crockpot. Sprinkle with taco seasoning, garlic powder, onion powder, and the diced onion.
02 -
Pour the red enchilada sauce over the top.
03 -
Cover and cook on HIGH for 2½ hours, or until the chicken is tender.
04 -
Shred the chicken directly in the crockpot and mix it into the sauce.
05 -
Add the chopped tortilla pieces and the shredded Mexican cheese. Gently fold everything together until well combined and the tortillas begin absorbing the sauce.
06 -
Cover and cook for 20 minutes more, just until hot, melty, and casserole-like.