1 Sweet potatoes steamed or boiled directly in water

Both can, depending on personal preference.

Sweet potatoes can be cooked by steaming or boiling directly in water, these two cooking methods are only different in taste, choose which one depends on personal preference.

Generally speaking, steam is the use of water steam to steam sweet potatoes through, in this case the water and sweet potatoes do not have direct contact, so the sweet potatoes are more sweet and soft. And under the water cooking is to let the sweet potato in the water cooking, because the water and the sweet potato direct contact, so this way out of the sweet potato will be more moist.

2 How long to cook sweet potatoes in water

Depends on the situation.

If the sweet potatoes directly into the water to cook, then the cooking time should be based on the size of the sweet potatoes and cook the fire to decide, in general, if the sweet potatoes cut into 1 cm wide pieces into the water to cook, then the water boiled after cooking for 10 minutes is about the same.

And if the whole sweet potato into the water to cook, then generally cook 15-20 minutes to cook it, it is recommended to use a chopstick inserted to see if there is no hard heart, if not, then it is basically cooked.

3 cooking sweet potatoes in cold water or hot water

Hot water.

It is recommended to cook sweet potatoes in hot water, because sweet potatoes contain more nutrients, such as oil, cellulose, pectin, etc., if you cook sweet potatoes in cold water, the cooking time is longer, it is easy to make the loss of these nutrients, which reduces its nutritional value and taste.

And if it is hot water in the pot, you can reduce its steaming time. Whether it is cooked in cold or hot water, the sweet potato should be cooked, so as not to cause indigestion after consumption.

4 Boiled sweet potatoes can be eaten overnight

As long as they are not spoiled, they can be eaten.

Cooked sweet potatoes can still be eaten the next day if they are not spoiled after being left overnight. Cooked sweet potatoes are high in water and starch, which can easily harbor bacteria and microorganisms, so it's best to keep them in the refrigerator.

Only after taking the sweet potatoes out of the refrigerator, warm them up or leave them at room temperature for a while, so as not to irritate the intestines and stomach and cause indigestion.