Roasted Sweet Potatoes

Name: Roasted Sweet Potatoes
Total time: 1 h
Yield: 4
Cuisine: Chinese
Ingredients: 500g Sweet potato; 1 set oven

by marieanne (from Tencent.)

4.6 (1)

Favorite

Difficulty

Easy

Time

1h

Serving

4

Roasted sweet potatoes have a long history and existed in ancient times. Sweet potato is also known as sweet potato, sweet potato, yam, sweet potato, sweet potato, sweet potato, thread lotus, sweet potato, golden potato, sweet potato, sweet potato, pillow potato, etc. It is soft and sweet, contains more starch and sugar, and can be eaten in many ways. It is often seen on the market that pedestrians in the past are holding roasted sweet potatoes and eating them as they go, admiring the beauty of their taste. Some foreign tourists also greatly appreciate it after eating. There are two main types of roasted sweet potatoes on the street: one is white flesh, which contains more starch, is very noodles, has less water, and is more resistant to hunger; the other is red or yellow flesh, which contains more sugar. More, more water, sweet and soft to eat. The former is commonly used for roasting sweet potatoes. Recently, some new varieties such as purple potatoes have also been added.
Sweet potatoes contain dietary fiber, carotene, vitamins A, B, C, E, potassium, iron, copper, selenium, calcium and more than ten kinds of trace elements. They have high nutritional value and are called nutritionally balanced health foods by nutritionists. Eating roasted sweet potatoes for pregnant women is beneficial to acid-base balance and also reduces blood cholesterol to prevent modern diseases such as sub-health and cardiovascular and cerebrovascular diseases. During pregnancy, because the uterus presses on the rectum, it is easy to be constipated. High-fiber foods prevent constipation. Sweet potato is rich in vitamins, which is very beneficial to the development of the fetus.
Sweet potato is very nutritious and contains a lot of sugar, protein, fat and various vitamins and minerals. It can be absorbed by the human body in an associative way, preventing and treating malnutrition, and can nourish the middle energy and replenish the qi, and treat the deficiency of the spleen and stomach in the middle Jiao and children. Diseases such as malnutrition are beneficial. After the sweet potato is baked or steamed, part of the starch changes, and the raw food can increase the dietary fiber by about 40%, which can effectively stimulate the peristalsis of the intestines and promote defecation. When people cut the sweet potato, there is a white liquid exuded under the skin of the sweet potato, which contains jasmin, which can be used to treat habitual constipation. Sweet potatoes contain a large amount of mucus protein, which can prevent the connective tissue of the liver and kidney from atrophy, improve the body's immunity, and prevent the occurrence of collagen diseases. The minerals contained in sweet potatoes play a very important role in maintaining and regulating human body functions. The contained calcium and magnesium can prevent osteoporosis. Sweet potato contains an anti-cancer substance, which can prevent colon cancer and breast cancer. In addition, sweet potatoes also have the effect of eliminating active oxygen, which is one of the causes of cancer. Therefore, sweet potatoes have a very obvious effect on inhibiting the proliferation of cancer cells. The anti-aging and preventing arteriosclerosis effects of sweet potatoes are mainly produced by the water removal of active oxygen. The mucus protein contained in sweet potatoes can maintain the elasticity of blood vessel walls and prevent the occurrence of atherosclerosis; the chlorogenic acid in sweet potatoes , Can inhibit the production of melanin, prevent the appearance of freckles and age spots. Redness can also inhibit skin aging, maintain skin elasticity, and slow down the body's aging process.

Ingredients

500g Sweet Potato
1 set Oven

Roasted Sweet Potatoes

1. Wash the sweet potatoes, dry the surface water or wipe dry with a clean kitchen cloth

2. After drying the water, use a knife to cut off one or two centimeters at each end

3. Place the grill on the middle of the oven, preheat the oven (circulate the hot air at 230 degrees for 5 to 10 minutes), put the sweet potatoes on the grill one by one, stack them in a single layer, do not stack them, and do not use a baking tray.

4. Close the oven door and start baking, set the time to 60 minutes

5. After roasting, take it out with a clip and let it cool and peel it to eat.

Tips:
1. The roasting time of sweet potatoes is about 40 to 70 minutes. The time should be adjusted according to the size of the sweet potatoes. The sweet potatoes are relatively large and the time is relatively longer. Don’t open the oven door often, and observe it at the last period of time, so that it doesn’t burn.
2. Don't choose sweet potatoes that are too round or too big. Choose sweet potatoes that are small, round, and 4-6 cm in diameter.
3. It is best not to eat roasted sweet potatoes with their skins, because sweet potato skins contain more alkaloids, and eating too much will cause gastrointestinal discomfort. Especially sweet potato skins with black spots are not edible and can cause poisoning.
4. If the oven does not have hot air circulation, use the upper and lower fire to bake at 230 degrees, and turn it over for about 30 minutes. Some small household electric ovens bake sweet potatoes easily scorching, mainly due to the electric heating tube of the oven and direct food at close range. You might as well make the tinfoil paper into an arch shape to cover the sweet potato, so that the electric heating tube will not directly hit the sweet potato, and the upper layer will not be easy to burn. At the same time, the arched tinfoil paper will form a heat cycle after heating, so that the sweet potato will be evenly heated, which can effectively avoid food Jiao endogenous.
5. If you find a peculiar smell in the oven before roasting the sweet potatoes in the electric oven, do not roast the sweet potatoes immediately to eat, but remove the peculiar smell in the oven in advance. If an appropriate amount of orange peel can be baked in the oven at regular intervals, the peculiar smell in the box can be eliminated, and the baked food can also have a unique fragrance.
6. Sweet potatoes contain an oxidase, which is easy to produce a large amount of carbon dioxide gas in the human gastrointestinal tract. If sweet potatoes are eaten too much, they will cause bloating, hiccups, and farting. Sweet potatoes are high in sugar, and eating too much can produce a lot of stomach acid, which makes people feel "heartburn". The stomach is stimulated by acid to strengthen its contraction. At this time, the cardia muscles at the side of the stomach and esophagus relax, the acid in the stomach flows back into the esophagus, and the person spit out acid water. If there is too much sugar, the body will not be able to absorb it for a while, and the rest will be fermented in the intestines, which will also make the stomach uncomfortable, but just don’t eat too much at one time, and eat it with rice noodles, and serve with pickles or a la carte soup. avoid;
7. Pregnant women should eat sweet potatoes in moderation. If you eat too much, you will feel heartburn, hiccups, and exhaust. It is more suitable for pregnant women with high blood pressure, blood lipids, blood uric acid, etc. It can replace part of the staple food, but cannot eat a large amount of staple food and eat sweet potatoes. Baked sweet potatoes are easier for pregnant women to get angry, so it is better to eat less.