The origin of corn is America, and Mexico is the place where the origin and variety diversity of corn are concentrated. The sacred books of Maya recorded that corn was the main food of Incas, Mayans and Aztecs as early as 5, years ago. It was introduced into China in the sixteenth century. By the end of the Ming Dynasty, corn had been planted in Yu Sheng, such as Zhejiang, Fujian, Yunnan, Guangdong, Guangxi, Guizhou, Sichuan, Shaanxi, Gansu, Shandong, Henan and Hebei. Sweet potato originated in South America and was introduced to China in the Ming Dynasty. At that time, many people in our country still believed in the saying that "oranges over Huai are bitter oranges", and thought that even if the transplanted crops could survive, they would change their original quality. Xu Guangqi, an official of the Imperial Academy at that time, was not detained by Chen Jian. After "bold ideas and careful verification" (Hu Shi's language), he promoted the cultivation of sweet potatoes nationwide and achieved great success. This matter is contained in the preface to sweet potato.
It is said that the countries in South America banned fresh potato chips from leaving the country because they didn't want others to share the benefits of this crop. Later, it was a Fujian sailor who got away with winding potato vines around his body. When he arrived on the ship, he carefully maintained them with fresh water and soil of origin, which brought the sweet potato seedlings to China.
Even without such difficulties and twists and turns, the first person who introduced sweet potatoes to China is undoubtedly memorable. However, the sailor's surname is unknown today. According to Xu Guangqi's sweet potato preface, we only know that a young man surnamed Xu who lives in Putian, Fujian, provided seedlings for him to promote sweet potatoes. This has been after sweet potato was introduced into China.
sweet potato used to be an important food crop, but it was not the result of people's persistent efforts. Its own quality is also very good, if cooked properly, it tastes good!
peeled and ground sweet potatoes cooked in water into mashed potatoes, and mixed with flour to make batter pancakes, which are not only sweet but also very soft and ripe. This is one of the delicious foods kk ate when she was a child, and it is much more unforgettable than "Unforgettable Tonight"! Of course, add some sugar to make cookies; Those who like salty cakes need to find another way.
fresh sweet potatoes can be cooked without a pot or a stove.
dig a nest in the mud first, and then just dent it slightly. Then build a kiln with dry mud blocks-just like a miniature yurt. It takes a little patience and architectural skill to gradually shrink from bottom to top until it reaches the top.
this is the "kiln" which combines a pot and a stove. It's heated with firewood, and the mud blocks are faintly red (so-called "burning red"). Make a hole in the top, put the sweet potatoes in, and break all the clods to bury them. Dig some soil from other places, cover it with another layer, and seal the hot air firmly inside.
Wait for more than ten minutes or half an hour like this (kk didn't have a watch at that time, so I really can't figure out the exact time), and then dig up that pile of soil-haha! The sweet potatoes are all cooked! !
This baked sweet potato is commonly known as "beating sweet potato kiln". The principle is the same as that of "beggar chicken", and the professional term is called "mud roasting". Because the food is baked in a small space, there is no way to escape the aroma, so the taste is particularly fragrant. This is another delicious food that kk has eaten, and the taste is really-"unforgettable tonight" and "unforgettable tonight" ... < P > However, in many cases, sweet potatoes are quite wronged and even unlucky. In Guangzhou dialect, "sweet potato" is used to describe "stupid and dull person"; "Potato head and potato brain" is equivalent to "clumsy brain", referred to as "potato" for short ... This coinage completely forgets the era of "one season of sweet potato for half a year" and forgets the contribution that sweet potato has made for us.
We often admire the emperors and generals who made meritorious deeds by killing in war, but disdain to remember these ordinary people who really brought great benefits to mankind. Lack of gratitude seems to be a common problem of human beings, so it is really necessary for us to eat sweet potatoes often.
The development of modern science has proved that sweet potato has a high nutritional value, and it has a certain auxiliary effect on the prevention and treatment of colon cancer, breast cancer and other diseases. Shu kk's proposal will not be ridiculed as pedantic!