Sand soup, also known as "meat porridge", is a traditional famous food, popular in many places at the junction of Shandong, Henan, Jiangsu and Anhui provinces, and now it is the usual breakfast for local people. It has a long history. There is a record in Shuo Yuan Zayan that "if you don't eat it for seven days, the quinoa soup will not be bad". In the Spring and Autumn Period, the famous work Mo Zi Fei Ru said, "Confucius is poor in Cai Chen, and the soup of quinoa is not bad.". "Book of Rites Neize" said: "Nao, take the meat of cattle and sheep, three for one, and cut it into small pieces. Mix with rice 2, meat 1 and fry. " The "three" mentioned here is quite similar to today's. During the reign of Kangxi in Qing Dynasty, there were 16 kinds of products listed in Yizhou Zhi. According to legend, Naan was a breakfast drink for people in the ancient western regions, which was introduced to the mainland in the Tang Dynasty. Legend has it that when Emperor Qianlong went down to the south of the Yangtze River, he drank this soup and was full of praise. He asked the locals what it was called. The emperor has a golden mouth and jade words, and the locals also call it "what" soup. Tang San is particularly good in Linyi, Jining, Xuzhou, Jinan, Zaozhuang and other places.

The method of soup is: mainly using fat beef, mutton and chicken as raw materials, with barley and barley kernels, aniseed, onion, ginger, pepper, monosodium glutamate and salt. The preparation method is as follows: Wash the white striped chicken and beef and mutton the night before, filter the blood, put them in a wooden tube covered with a pot, then boil the water, and add barley kernels, shallots, ginger, aniseed (including pepper, fennel, clove, tsaoko, tsaoko, third generation, cinnamon, galangal, etc.). Put it in the bag) and pepper (add it to the bag). The next morning, boil the cooked soup pot, add appropriate amount of boiling water and sauce, and add monosodium glutamate and pepper after boiling. When eating, put a long spoon into a bowl, pour sesame oil, and sprinkle a handful of leeks or garlic sprouts on the noodle soup. After repeated boiling, this soup is not fishy, fresh and delicious. It eats meat instead of meat, and the original soup is original and fragrant. This kind of soup is especially popular in winter, because it is mainly made of various meats and several ingredients, with high calories and full taste. In ancient times, only beef and mutton were used as meat. After it was introduced to the mainland, chickens and ducks were also used. Later, the Han people made pork naan. Among them, chicken three tastes the best. There are four points to pay attention to when drinking naan, that is, to be hot, fragrant and fat. A bowl of naan with fried dough sticks, biscuits, oil cakes and steamed dumplings is a good breakfast. Naan is not only delicious and nutritious, but also has the effects of expelling wind and cold, appetizing, diuresis and stopping vomiting.