1 Peeled chestnuts

20-30 minutes.

Shelled chestnuts are generally cooked and eaten directly. Therefore, boiling shelled chestnuts is mainly to make the chestnuts taste better and taste better. Chestnuts contain a lot of starch, dietary fiber and other ingredients, and A lot of chestnuts will be cooked at one time, so peeling chestnuts usually takes 20-30 minutes, and if you are making soup, it will take longer. 2 chestnuts in shell

15-20 minutes.

Chestnuts in the shell need to be heated thoroughly, and then the skin is removed before eating. Generally, it is more appropriate to cook the chestnuts for 15-20 minutes. In addition, if the chestnuts are cooked in order to peel them, 5 minutes is enough. If cooked for a long time, it will be difficult to remove the skin. When it is half-cooked, the skin can be easily removed. 3 Why do chestnuts get darker as they are cooked? 1. Reasons for keeping chestnuts in shells

The shell of chestnuts is brown. When cooking chestnuts, if you cook them with the shells, the pigment will seep out and the juice will become black, and the chestnut pulp will also become darker. There will be browning, which is normal, but it is not very beautiful and does not affect the consumption. 2. Cause of starch

Chestnuts contain a lot of starch. The more the chestnuts are cooked, the darker they become. This may be due to oxidation reaction. This is normal and you can continue to eat it. 4 How to cook chestnuts without changing color

Peel the shells, add white vinegar and cook together.

The discoloration of chestnuts is caused by oxidation. In life, we will also encounter this situation when boiling potatoes and lotus roots. White vinegar has antioxidant effects. When cooking, add it to food. Some white vinegar can prevent oxidation and blackening. You can also add some white vinegar when cooking chestnuts. Adding white vinegar can also make the chestnuts cook more rotten.