01 -
Combine salsa, taco seasoning, and a few large pinches of kosher salt and freshly cracked pepper in a slow cooker insert.
02 -
Nestle chicken breasts into the salsa mixture, ensuring they're well coated.
03 -
Cover and cook on high for 2 hours or on low for 4 hours, until chicken is tender and easily shredded.
04 -
Using two forks, shred the chicken directly in the slow cooker, mixing with the sauce.
05 -
Serve in flour tortillas topped with diced red onion, fresh chopped cilantro, and a sprinkle of Cotija cheese.