粢[zī] rice cake is a traditional snack that is popular in the Jiangnan area (Jiangsu, Zhejiang, Shanghai). It is a fried pastry. It can also be called oily rice cake because of its practice. It is called in other parts of the south. For the bomb. The outer layer of the rice cake is golden yellow, and the inner layer is soft white risotto. It is bitten and crispy, eaten in the mouth, and is crisp, salty and fresh.