The answer is Lantern Festival.

Since dada means round cake, and its roundness is used to describe the moon, and dada is a kind of food, the answer is Yuanxiao.

：Changsha nursery rhyme "Moon Baba": "Moon Baba, sitting in the belly, Baba went out to buy groceries, sitting in the belly was a grandma, grandma came out to embroider, embroider the glutinous rice cake, the glutinous rice cake fell into the well, turned into a toad, toad

Stretch out your feet and become a magpie. The magpie climbs up the tree and becomes a turtle dove. The turtle dove coos. The monk sips tofu. The tofu is a piece of dregs. The monk sips a cake.

The four words "smack" in the sky mean that if a monk commits a crime, and he does something bad, he will be caught and his head chopped off. "In Changsha dialect, "baba" refers to cake-like food.

Local specialty delicacies made from glutinous rice, japonica rice, etc. after steaming, frying and other steps.

For example, glutinous rice cakes, sugar-oiled cakes and other sticky foods.