The best way is to observe whether the color of the four seasons has changed. Generally speaking, the green beans that have just been bought, the fresh green beans that have not been cooked, and the cooked green beans are all dark green. It is a very good way to judge the color, which is not only simple but also easy to learn.

You can also taste it to see if it has softened. If the green beans have softened and are no longer hard, then it can be preliminarily judged as ripe. If you don't feel at ease, you can try it, because the green beans are not cooked, and the taste will be very different from the cooked green beans you eat in peacetime. Specifically, they are cooked green beans without a beany smell. It is suggested that you can boil the green beans a little bit in the process of cooking, because this can ensure that the green beans can be cooked to the greatest extent. If they are only dry-fried, they may not be cooked sometimes. It will be safer to boil them with water, but this may affect the taste and taste of the green beans a little.

Eating uncooked green beans will make people toxic, not only causing diarrhea, vomiting, nausea and other symptoms, but sometimes even causing shock. Therefore, eating green beans must be cooked, and cooked green beans are delicious and healthy.