Creating Homemade Chicken Shawarma can be a simple and rewarding process when following these steps:

1. Make the Marinade: In a large bowl, combine minced garlic, ground cumin, ground coriander, paprika, turmeric, cinnamon, chili powder, salt, black pepper, yogurt, olive oil, and apple cider vinegar or lemon juice. Mix well.

2. Prepare the Chicken: Place the boneless chicken thighs in the marinade. Ensure the chicken is fully coated and cover the bowl with plastic wrap.

3. Marinate: Let the chicken marinate in the refrigerator for at least 1 hour. For deeper flavors, marinate it overnight.

4. Preheat the Oven or Grill: If using an oven, preheat it to 425°F (220°C). Alternatively, heat your outdoor grill.

5. Cook the Chicken: If using an oven, place the marinated chicken on a baking sheet lined with parchment paper. Bake for 20-30 minutes, flipping halfway through, until fully cooked (internal temperature should reach 165°F or 74°C). If grilling, cook for about 6-7 minutes per side or until cooked through.

6. Rest the Chicken: Once cooked, let the chicken rest for 5 minutes before slicing to retain the juices.

7. Slice the Chicken: Use a sharp knife to cut the chicken into thin strips or bite-sized pieces.

8. Assemble the Dish: Serve your Shawarma in pita bread or wraps, topped with fresh vegetables and garnished with parsley.

9. Optional Toasting: For added flavor, consider toasting your pita or wrap briefly on the grill or in a skillet to create a slight crisp.

These steps will guide you in creating a wonderful dish that celebrates bold flavors and textures.