Ai Wo Wo refers to the Mandarin name of a typical Beijing snack made of sticky Rice with sweet fillings. Ai Wo Wo was once a court snack in Yuan Dynasty, and became popular since then. Ai Wo Wo is available from the Chinese Spring Festival until the late summer. It is made in a complicated process, first, the sticky rice is steamed, pounded into pulp, shaped into a ball and then filled with sesame and white sugar, pea flour, jujube paste or some other fillings such as walnut-meat, melon seeds, greengage etc. And then it is spread over with rice flour. Ai Wo Wo tastes smooth and soft while its fillings are loose and sweet.