Is this way of drowning reasonable? Put the pot in cold water → take it out when the water boils → rinse it with tap water.

Boiling water is made of different materials, some need boiling water before cooking, and some need cold water to cook directly.

For example: vegetables, cowpeas, green beans and so on. Such vegetables should be cooked before they are put into the pot. If you put cold water into the pot, the water temperature will gradually change from low to high. In this process, the material will be scalded by the water temperature and look stale.

Pork ribs, beef and other materials are directly put into the cold water in the pot. After the water temperature rises gradually, the blood foam in the meat is slowly forced out by the water temperature. After the water is boiled, take it out and rinse it clean. This kind of meat is sanitary and delicious.

The picture comes from the internet.