Start by marinating sliced chicken breasts with spices and yogurt. Set aside for 10 minutes up until an hour.
To prepare the shawarma skewer, place half an onion (flat side down) on a baking sheet and press two skewers on opposite sides into the onion. Layer the pieces of chicken on the skewer.
Bake Chicken skewers at 350 degrees for 20-30 minutes or until chicken is fully cooked.
While chicken is cooking, mix all of your ingredients together for your tzakini sauce and chill in the refrigerator.
air fry, deep fry or bake your fries.
Slice your tomatoes, and onions.
Assemble your gyro. Toast your pita bread in the oven for 2-3 minutes. Smear a thin layer of tzatziki on the pita bread, add tomatoes, onions, chicken, top with fries, serve and fold!