Roujiamo: the 2,200-year-old Chinese "hamburger"

Roujiamo: the 2,200-year-old Chinese “hamburger”

Photo credit, Wheatfield/Getty Images 3 hours ago The roujiamo, a Chinese pork and flatbread sandwich, has been called the “world’s oldest hamburger”. As is often the case in China, its exact origins are lost over time. My first encounter with the roujiamo (肉夹馍) took place a quarter of a century ago, on a winter’s day,…

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