Gyro Franchise dishes tends to be relatively straightforward and unchanging, while shawarma is literally unlimited in its ability to be customized in a variety of ways. Shawarma’s spices, seasonings, toppings, and even meats come in such a variety that there is something for almost every taste and preference. While shawarma was originally made using lamb or mutton, more modernized shawarma offerings also include chicken, turkey, beef, or veal.