2. The surface of the dumplings taken out of the refrigerator is frozen hard, so it can't be directly heated with cold water.

3. Put cold water in the pot and heat it in advance. After the water boils, add the dumplings to prevent them from sticking together and causing rupture.

4. When the dumplings can't be fished out immediately, add cold water once at this time and continue to heat. When the dumplings float again, they can be fished out and eaten.

5. Tangyuan, also known as "Tangtuan" and "Floating Zi Yuan", is one of the representatives of Han traditional snacks.

6. It is also the most distinctive food in the traditional Lantern Festival in China, and it also expresses the yearning and expectation of the ancient people for a happy life.

7. It is said that glutinous rice balls originated in the Song Dynasty.

At that time, Mingzhou (now Ningbo City, Zhejiang Province) was a novel food, which was filled with black sesame seeds and pork suet, added with a little sugar, and wrapped in glutinous rice flour. After cooking, the taste is sweet and soft, with endless aftertaste.

9. At the same time, jiaozi symbolizes a happy family reunion, and eating jiaozi also means a happy family in the new year, so it is a must-have food for the Lantern Festival on the 15th day of the first month.