Creating Homemade Chicken Doner Kebab can be straightforward if you follow these simple steps:

1. Prepare the Marinade: In a large bowl, combine olive oil, yogurt, minced garlic, cumin, smoked paprika, coriander, salt, black pepper, cayenne pepper, and lemon juice. Mix well.
2. Marinate the Chicken: Add the chicken thighs to the marinade, ensuring they are well coated. Cover the bowl and refrigerate for at least 30 minutes (or up to 2 hours for more flavor).
3. Preheat the Grill: Preheat your grill or a grill pan over medium-high heat.
4. Grill the Chicken: Remove the chicken from the marinade and place it on the grill. Cook for about 6-7 minutes on each side or until fully cooked through and charred.
5. Rest the Chicken: Once cooked, remove the chicken from the grill and let it rest for a few minutes before slicing.
6. Slice the Chicken: Thinly slice the grilled chicken thighs against the grain.
7. Prepare the Pita: Warm the pita bread on the grill for a minute on each side, or until slightly toasted.
8. Assemble the Kebabs: Place sliced chicken in the center of the pita. Top with fresh vegetables and drizzle with tzatziki or garlic sauce.
9. Wrap and Serve: Roll the pita to enclose the filling, and serve immediately while hot.

These steps will guide you in creating this incredible dish effortlessly.