What traditional food do you eat on the Double Ninth Festival?

On the Double Ninth Festival, you can eat traditional foods such as double ninth cake, chrysanthemum wine, flower cake, crab and mutton noodles. The Double Ninth Festival is on the ninth day of the ninth lunar month. Because the ninth day of the ninth lunar month is homophonic for a long time, it is often used to worship ancestors and carry out activities of respecting the elderly and filial piety.