What's the implication of eating mutton soup on the solstice in winter?

Winter solstice is a solar term in winter, and it is a very important time node whether it is the lunar calendar or the solar calendar. After the winter solstice, the temperature will gradually rise, and people can come out to prepare for farming. So in order to celebrate this day, people will eat certain foods, and most areas will drink mutton soup during the winter solstice. So, what is the meaning of eating mutton soup in the winter of solstice? First of all, because mutton contains a lot of calories, it can provide a lot of energy for the body to resist cold weather. Because although the weather will gradually get warmer after the winter solstice, it is still winter and the temperature is still very low. Secondly, mutton tastes very delicious and the meat is tender and smooth. It also means peace and smoothness, so on the solstice of winter, people will eat mutton as a custom.