dongchangfu mutton soup. Boping horseshoe sesame seed cake is a traditional local food in Chengzhuang, Boping County, Shandong Province. The locals call it Boping sesame seed cake or hanging stove sesame seed cake, and Dongchangfu mutton soup restaurant is the most authentic. First, the master rolled out the sesame cakes one by one, and they were palm-sized oval, with both ends tilted a little like gondola's. Then, he brushed a layer of oil on the surface and sprinkled sesame seeds. Boping sesame seed cake has golden color, crisp outside and tender inside, sweet taste and unique style.