150g sweet potato has about 137 calories. While100g of edible sweet potato contains 106 calories, and100g of sweet potato contains 20.12g of carbohydrate, 0.05g of fat, 0.57g of protein/kloc-0, and 3g of cellulose.

sweet potato

Sweet potato refers to the tuberous roots of two different plants in the south and north of China, and mainly refers to sweet potato, honey-returning potato and sweet potato in the north; And some parts of the south (Sichuan, Chongqing and other places) refer to potato (Shage), which is a different species. Their tubers and tubers are plump, crisp and juicy, rich in sugar and protein, and rich in various vitamins. Can be eaten raw or fried. The starch content in the mature root tuber is high, so starch can be extracted. It also contains dietary fiber, carotene, vitamins A, B, C, E, potassium, iron, copper, selenium, calcium and other trace elements 10, linoleic acid, etc., and has high nutritional value.

Sweet potato, also known as honey-returning sweet potato, honey-returning sweet potato, sweet potato, sweet potato, sweet potato, sweet potato and grandmother Sha) is a synonym of sweet potato, cold potato, cold potato, kudzuvine, kudzuvine, turnip (China Medicinal Plant Records), grass melon shavings (in Luchuan Materia Medica), shage and radish (Jiangxi) Sweet potato is called "sweet potato" or "sweet potato" by people in Guanli, but it is only called sweet potato by people in Northeast China, but many people don't know what sweet potato and sweet potato are. Sweet potatoes are produced well in Shandong, so those who sell raw sweet potatoes often shout "Shandong's big sweet potatoes" to show "authenticity". They are called sweet potatoes in the north and sweet potatoes in the south.

Sweet potatoes can be boiled (called "Hu" in the northeast), steamed or cut into pieces to make porridge with rice, or they can be cut into slices and dried. In the northeast, this is how people eat at home, and it is rarely available on the street. Roasted sweet potatoes, on the other hand, is basically cooked by no one, but bought from the street.

method of work

The stoves used to sell roasted sweet potatoes used to be made of large cylindrical petrol cans. Open a round mouth on it and make a lid. Generally, there are two layers of grates in the furnace, both of which are made of iron bars. The lower layer is used to roast raw sweet potatoes, and a space is left in the middle of the upper layer, and the roasted sweet potatoes are taken to this grate to keep warm. The lower floor of the stove is a coal stove. Some separate the coal stove from the "steamer" above, and then sit on the upper floor after the fire is made. Because the sweet potato itself contains high sugar, you don't need to peel and cut into pieces, nor do you need to put any seasoning or prepare bowls and chopsticks. You can eat it as long as you wash and bake it. Therefore, selling this cooked food can be opened with a steelyard, even without a steelyard, and the price is directly based on the size of the sweet potato.

The fuel used in roasted sweet potatoes is coal. But in the past, we didn't use good coal, but used "coal cores" that others used but didn't fully burn. This kind of coal core is all picked out from furnace ash. In the past, "picking coal" was a common business for poor children. Roasted sweet potatoes sellers buy them at a much lower price than coal or exchange them with cooked sweet potatoes. If you have children who pick coal at home, even this expense is saved. Using coal ball sweet potato not only has low cost, but also has no smell of coal smoke, and the temperature is also very suitable, so it can be called a "good quality and low price" choice.

Although roasted sweet potatoes is a kind of street snacks, it can also satisfy hunger and eat at a very low price. In the cold winter, many passers-by will buy a few pieces when they see the steaming oven and think of the color of the red skin and yellow flesh and the sweet and soft taste. Young women and children are even more fond of eating, and some people even buy them home to relieve their hunger for the elderly who don't go out often. This kind of food, called "toothless music", is really "popular" when you are 70 or 80 years old.

introduce

Roasted sweet potatoes has a long history, dating back to ancient times. Sweet potato is sweet potato, also called sweet potato, sweet potato, sweet potato and sweet potato. Soft and sweet, it contains more starch and sugar, and there are many ways to eat it. In the market, you can often see people on crutches holding roasted sweet potatoes and eating it as they go, admiring its delicious taste as they eat it. Some foreign tourists are also very appreciative after eating. There are two main varieties in roasted sweet potatoes: one is white pulp, which contains more starch, tastes very noodles, has less water and is more resistant to hunger; The other is red pulp or yellow pulp, which contains more sugar and water and tastes sweet and soft. The former is commonly used in roasted sweet potatoes sweet potato, and some new varieties such as purple sweet potato have been added recently.

characteristic

The smell is fragrant, the food is sweet and soft, and it is very attractive. It is essential to keep warm in winter.