Marinate the chicken:
Place the chicken in a large bowl and add all of the spices, olive oil, garlic cloves, and lemon juice. Toss well to coat the chicken. Add the onion slices and mix them together. Cover the bowl in plastic wrap and set aside to marinate at least 30 minutes or overnight in the refrigerator.

The chicken can be cooked on the barbeque grill or in the oven
Heat the grill then add the marinated chicken onto the grill. Cook over medium-high heat for about 20 minutes. Flip the chicken over after 10 minutes. When the internal temperature of the chicken reaches 165 °F it is ready. Transfer the chicken to a bowl.

Fill a salad bowl with your favorite greens (lettuce, shredded cabbage, etc.) some chopped tomatoes, onions, and cucumbers and top with the chicken shawarma slices. Drizzle some shawarma sauce on

Lightly toast a pita. Spread 1 tablespoon of the sauce in the center of the pita. Top with ¼ cup of salad (any shredded lettuce, chopped tomatoes, cucumbers, and onion slices. Top with chicken shawarma and some more sauce. Roll up and serve!