Blanch the cold cowpea in water for about 5 minutes. If the time is too long, it may reduce the nutritional value and taste.

Cowpea is a common vegetable in our life, which is rich in nutrition, crisp in taste and cheap, so many people like to buy it home to eat. Before frying cowpeas, you usually blanch them, which makes them easier to fry and tastes better. When blanching cowpea, you can add some salt to cowpea, which will make cowpea more delicious and keep its green feeling. However, after the cold cowpea is cooked, it needs to be eaten in time, and overnight is not recommended.