In the heart of China’s northwest, the historic city of Xi’an is not only known for its Terracotta Warriors and ancient Silk Road heritage but also for one of the most iconic street foods in the region—roujiamo, often referred to as the “Chinese hamburger.” With roots stretching back over 2,000 years, this beloved snack is a flavorful, savory sandwich filled with tender, braised meat tucked inside a crisp, slightly chewy flatbread. Roujiamo is more than just a bite to eat—it’s a symbol of Sha...