How many times can I use Ai cake?

Ai cake can be used twice. Ai Bing, also called Ai _, Tian Ai Bing, is a traditional Hakka snack, which is mainly popular in places where Hakka people gather in southern Guangdong, such as Meizhou and Zhanjiang. The most famous ones are Fengshun in Meizhou and Leizhou in Zhanjiang (where there are Hakka people, there are such things). Usually in Tomb-Sweeping Day and the Ghost Festival on the 14th day of the seventh lunar month.

In Fengshun County, Meizhou, where Hakkas gather, many villages make this kind of green Ai cake every year on the 14th day of the seventh lunar month. According to local customs, eating it can drive away diseases and disasters and drive away ghosts. Before Tomb-Sweeping Day, southerners would pick the tender head of wormwood, mash it with rice flour, and then make cakes with bamboo shoots, meat, sauerkraut, qianzi and sweet sesame sauce.