There is called white skin cake! It's made by the Hui, yes, and sometimes has a bit of aniseed flavor. There are very few of them available now. The ones you can buy in Urumqi are called fennel cakes, spiced bean cakes, pumpkin cakes and so on. Zhongshan Road next to the gnawing de chicken, two yuan a (I guess at this point there is no longer)

Online certainly not, because this thing is not yet industrialized, preservation and transportation are not convenient.