1, the copra is cooked for about five minutes. Copy hand boiling water in the pot, wait for it to float in the water and then continue to simmer for two or three minutes means cooked. The copra is a wonton from the southwest of China, mainly wrapped in pastry with meat filling, usually made into a square or isosceles trapezoid, it can be boiled in clear or spicy soup, to make red oil copra you just need to simmer the copra in a pot first, and then pour it into a bowl with chili oil, monosodium glutamate, soy sauce, sesame oil, and chopped green onions.

2, in the past the old Beijing has "winter solstice wontons summer solstice noodles". According to legend, during the Han Dynasty, the Huns in the north often harassed the border, and the people had no peace. At that time, there were two leaders of the Huns, Huns and Tuns, who were very cruel. The people hated them so much that they wrapped them in meat and made them into horns, taking the sounds of Hun and Tun, and called them hundun. Hate to eat, and seek to quell the war, can live in peace. Because the first made of wontons is in the winter solstice this day, so people tend to eat wontons in the winter solstice this day in every household.