Position skewers over second chicken stack; skewer stack. Repeat with remaining stack. Add onion petals to end of shawarma. Sear shawarma over direct heat, turning often, until sizzling and charred.
The shawarma chicken thighs are extremely well-seasoned and come already marinated to cut back on any extra prep. I usually serve them over rice pilaf with potatoes or salad, and top them with ...