Xiatang sesame seed cake is a traditional famous food in Hefei, Anhui Province. It originated in the Han Dynasty and became famous in the late Qing Dynasty. At present, it has become an intangible cultural heritage of Hefei. First, mix noodles with water, ferment for three hours, add appropriate alkaline noodles, make a fire in the oven, make noodles into cakes, press sesame seeds, and stick them in the oven with your backhand for five minutes.