As a traditional snack in the Jiangnan area, Qingtuan is a pastry made with wormwood juice, named for its blue color. Qingtuan is usually made by mixing wormwood juice that is only available around Qingming Festival into glutinous rice flour, kneading it by hand, and then steaming it with different fillings according to each person's preference. The prepared Qingtuan tastes sweet and delicious Sweet and fragrant, soft and delicious, with the fresh aroma of mugwort leaves.