01 -
In a large bowl, whisk together the Greek yogurt, fresh lemon juice, minced garlic, paprika, cumin, turmeric, cinnamon, salt, black pepper, and red pepper flakes until thick and fragrant.
02 -
Place the chicken thighs into a zip-top bag and pour the marinade over them, ensuring each piece is fully coated. Refrigerate for at least 4 hours, preferably overnight for maximum flavor development.
03 -
Slice the onions and spread them evenly across the bottom of your slow cooker, then arrange the marinated chicken on top.
04 -
Cover and cook on HIGH for 3–4 hours or LOW for 4–6 hours, until the chicken becomes extremely tender and can be easily shredded.
05 -
Remove the chicken from the slow cooker and shred it using two forks, then return it to the slow cooker to absorb the flavorful juices for about 10 minutes.
06 -
Warm the pita bread, then fill with shredded chicken, yogurt sauce, lettuce, cucumber, and tomatoes. Serve immediately.