Supplement:
Lotus root starch is a traditional snack of Han nationality in Jiangsu and Zhejiang provinces, which consists of lotus root starch, pure lotus root starch and rock sugar lotus root starch. There are bags and cartons for sale in the market. Most of them are 15-20g in a small bag, which is light-colored and powdery. It needs 250-300ml boiling water to stir into translucent shape, and it is eaten in lotus root color, and the entrance is smooth. As a health food handed down from generation to generation, it is rich in trace elements such as iron, vitamin B 12, and its main function is to nourish blood, especially suitable for women.