About six minutes. Generally speaking, starch plants such as potatoes and sweet potatoes ripen quickly. If the block is not very big, it takes 4 minutes to steam from the beginning. If the debris is large, 6 minutes is enough. After a long time, it will become mud and tasteless.

How to eat sweet potato is the most nutritious?

1, sweet potato steaming: invigorating qi and blood

Sweet potato with red skin and red heart has the effect of nourishing qi and blood, which can be compared with jujube and is not as easy to get damp and hot as jujube. People with pale complexion can improve their complexion by insisting on eating sweet potatoes for a long time; People with rough skin often eat sweet potatoes, which can also moisturize the skin.

In addition, sweet potato has a two-way regulating effect on intestinal function, and people with constipation often eat boiled sweet potato, which can effectively relieve constipation symptoms; And people with weak spleen and stomach and frequent diarrhea can eat baked sweet potatoes to relieve discomfort.

2, sweet potato soup: lose weight and lose weight

Sweet potato is better for making soup to lose weight. This is because sweet potatoes contain a lot of dietary fiber. After dietary fiber enters the intestine, it can help clean up the waste and toxins in the intestine, gather the toxins and wastes together, and let them be excreted smoothly. Moreover, the content of vitamins in sweet potato is particularly high, which can create new cells in the intestine and promote metabolism, thus playing a role in losing weight.

3, sweet potato porridge: spleen and stomach

Middle-aged and elderly people with weak spleen and stomach can choose sweet potato and millet to cook porridge, which is easy to digest, protect gastrointestinal tract, promote gastrointestinal peristalsis and defecate more easily, thus getting rid of constipation. Eating sweet potatoes with a little pickles can also effectively suppress stomach acid.

4, sweet potato is best to eat: more comprehensive nutrition.

There are many ways to eat sweet potatoes, such as boiling, steaming, baking and eating raw. Raw sweet potatoes have the effects of "quenching thirst, sobering up, benefiting the lungs and calming the heart", while cooked sweet potatoes can "replenish qi to satisfy hunger". However, the most common thing is cooking. Sweet potato lacks protein and lipids, so it can be eaten with vegetables, fruits and protein foods to ensure a better nutritional balance.

Reference link: sweet potato