01 -
Arrange chicken thighs and sliced onion evenly on the base of the slow cooker.
02 -
In a bowl, thoroughly combine chipotle peppers with adobo, fire roasted tomatoes, and birria seasoning.
03 -
Pour the sauce over the chicken, ensuring all pieces are fully coated. Cover and cook on low for 6 hours or high for 4 hours, until the chicken is fork-tender.
04 -
Transfer cooked chicken to a separate bowl and shred using two forks, reserving the braising liquid for dipping.
05 -
Heat a non-stick skillet over medium heat. Dip each tortilla in the reserved cooking broth, then immediately place in the skillet.
06 -
Add a generous portion of shredded chicken and grated cheese onto one half of each tortilla. Top with diced onion and coriander if desired.
07 -
Fold the tortilla to form a half-moon shape. Press gently and cook until golden and crisp on the underside, then flip and cook the opposite side.
08 -
Repeat with remaining tortillas. Serve immediately with the reserved dipping broth alongside.