It is best not to eat vegetables overnight. Whether it is put in the refrigerator or not, firstly, onions will not be fresh, secondly, they will smell, and then bacteria will breed.

Vegetables will produce more nitrite overnight. Nitrite is harmful to human body, so it is best not to eat it.

How to make cold onions not spicy?

Blanch the chopped green onion with boiling water, and it won't be spicy.

According to personal needs, boil the water and then take it out, which is slightly spicy. Soak in boiling water for half a minute and then take it out. It's hardly spicy

The spicy taste of onion comes from capsaicin, which will decompose when heated. Therefore, the ripe onion is not spicy at all.

Onion is a kind of vegetable with rich nutrition and remarkable health care function. Good preparation methods make it a delicious food with good quality and low price.

The practice of cold onions:

1. Select 1-2 onions, wash and shred.

Take a basin, put some water in it and add some salt.

3. Put the chopped onion into the basin and leave it for about half an hour. The purpose is to soak shredded onion in salt water so that it is not spicy, and more salt can be added appropriately. )

4. After half an hour, take out the onion and put it on the plate.

Now you can stir, add some vinegar, sugar, sesame oil and a little salt, and stir well before eating.

The characteristics of this cold dish: it tastes sweet and sour, and the raw onion has a lot of nutrients, which avoids the loss of nutrients from cooked onions!