boiled lamb tripe with special mixed sauce,one of the famous traditional Moslem snacks.old people said autumn begins was the best time for lamb trips.

• 北京风味小吃中的名吃，多为回族同胞经营,天桥的“爆肚石”，门框胡同的“爆肚杨”，还有“爆肚冯”、“爆肚满”等最为出名