president of the Tongguan Roujiamo Association. According to Wang, with continuous improvement of the production process, the standardization level of mo is getting even higher. The frozen mo ...

Described by some as "the world's oldest hamburger," roujiamo (which translates to "meat in bread") is made by stuffing chopped meat inside a bun and draws a fascinating parallel to modern iterations.

president of the Tongguan Roujiamo Association. According to Wang, with continuous improvement of the production process, the standardization level of mo is getting even higher. The frozen mo sold on ...