Simply put, glutinous rice balls and yuanxiao are foods with glutinous rice and sugar as the main raw materials. Besides refined glutinous rice flour containing a lot of starch, the stuffing also contains a lot of sugar. Therefore, from the classification, it should be regarded as a staple food.

The so-called staple food is food rich in carbohydrates, especially starch. This kind of food is made of glutinous rice, and it is very fine glutinous rice flour with very little fiber, which belongs to refined white staple food and does not belong to coarse grains.

Tangyuan originated in the Song Dynasty in China. At that time, Mingzhou began to eat a novel food, which used black sesame, lard and sugar as raw materials. First, black sesame seeds are ground into powder, then lard and white sugar are put into the mixture one after another and kneaded into dough to make stuffing. Knead the outside with glutinous rice flour into a circle. When cooked, it tastes sweet and delicious.