The bun stuffed with preserved pork, dating from Ming Dynasty, was known as the hamburger of Liangzhou Area. The main ingredients are fresh pork and traditional sauces. Stew the pork with pepper, aniseed and other traditional seasonings. After unique cooking skill, the preserved pork is fragrant, rich yet not greasy. Use sharp knife cut the steamed bread into small slices then stuff the pork and pig tripe, forming hexagon or octagon shape. It is suitable to be eaten all year round.