How to make purple sweet potato delicious

There are quite a lot of ways to eat purple sweet potatoes. People can make purple sweet potato related dishes according to their own ideas. However, purple sweet potatoes are usually regarded as a dessert or a snack. Many office workers like to eat dried purple sweet potatoes when they are bored. This kind of snack is very time-killing and can also provide enough nutrients. But it is best to make it yourself at home, so that you will feel more at ease when eating it. This is mainly because many dried purple sweet potatoes contain chemical substances, which will be harmful to the body. When you make it yourself, you can directly use purple sweet potatoes without other extra ingredients.

Dried purple sweet potato is made from purple sweet potato. Generally, the whole sweet potato is steamed, peeled, pressed, and dried naturally (or baked). In the shape of strips or blocks, it is orange-red in color, sweet in taste and mild in nature. It has edible and medicinal functions such as harmonizing blood and replenishing the middle, relieving constipation, invigorating qi and promoting body fluid. Because purple sweet potato is rich in selenium, it is the "king of anti-cancer" and the "king of longevity", so dried purple sweet potato is praised by the United Nations as the healthiest food.

Processing process

First of all, the purple sweet potatoes harvested in autumn cannot be used to make dried purple sweet potatoes immediately.

Because fresh purple sweet potatoes contain a lot of starch, the dish they cook will be floury and taste bad. Therefore, purple sweet potatoes must first be stored in cellars for a period of time. During the storage process, the starch inside the purple sweet potato will be converted into polysaccharides. Such sweet potatoes are very sticky, soft and sweet whether they are boiled or baked. After being stored in the cellar to a certain extent, the purple sweet potato can be processed.

In the past, people would cook the vegetables without peeling them, and then peel them after cooking. The right temperature for steaming or cooking is a science. If the temperature is too low, the food will be overcooked, while if the temperature is too high, the food will be too watery and difficult to slice.

Second, cut the cooked purple sweet potato into slices or strips, and then dry them in the sun.

In the past, they were often strung together with branches and hung on trees. Nowadays, people rarely dry the fruits like this. Instead, they spread them out on a wire rack or bamboo plate to dry. They have to be turned over after a few days and dried repeatedly. In order to ensure the sanitary quality of the product, it is necessary to cover it with plastic sheet or gauze in windy weather to prevent sand and dust. After being dried to a certain degree, the purple sweet potato is basically formed.

Many people who have never seen this kind of dried purple sweet potato, when they see the white frost for the first time, always think that the purple sweet potato is moldy and hairy.

In fact, if purple sweet potatoes become moldy and grow hair, the hair will be green or brown. It also smells sour. As long as there is a temperature difference,

Dried sweet potatoes are very easy to frost. If purple sweet potatoes are dried and shaped and stored at a constant temperature, frost will rarely appear. Therefore, it is actually more difficult to make dried purple sweet potatoes without any frost.

In the past, due to lack of conditions, the dried purple sweet potatoes could only be placed in a place with low ventilation temperature to dry, otherwise they would easily become moldy.

However, if dried sweet potatoes are left to dry for too long, they will lose their softness and become hard and difficult to chew, so they need to be steamed before eating. But now with cold storage and vacuum sterilization packaging technology, dried purple sweet potatoes can be well preserved and can even be stored for a year without any problems.