01 -
Combine olive oil, minced garlic, cumin, coriander, smoked paprika, turmeric, cinnamon, cayenne pepper, salt, black pepper, and lemon juice in a small bowl. Whisk until thoroughly blended.
02 -
Place sliced onion evenly on the bottom of the slow cooker.
03 -
Arrange chicken thighs on top of the onions and pour the marinade over the chicken, ensuring each piece is evenly coated.
04 -
Cover and cook on low for 6 hours or on high for 3 hours, until the chicken is fork-tender and cooked through.
05 -
Using two forks, shred the chicken directly in the slow cooker and stir it back into the cooking juices.
06 -
Serve the shawarma-style chicken in warm pita or over steamed rice. Garnish with chopped parsley and drizzle with yogurt or tahini sauce if desired.