Steaming crabs in cold water usually takes about 20 minutes. Steaming crabs in boiling water usually takes 12 minutes for 3~4 taels of crabs, while crabs above 4 taels need to be steamed for more than 15 minutes.

Cold water steaming crabs in not yet fired when the crabs into the steamer, with the slow rise of steam, the temperature slowly increase, and ultimately make the crabs steamed, this process is relatively slow, but the maturity of the more uniform, generally need about 20 minutes. Boiling water steaming crab is in the water after the steamer has been a very high temperature after the heat will be put on the crab, can be in a very short period of time to the crab steamed, this method is generally to take into account the size of the crab, the general 3 ~ 4 two crabs can be steamed for 12 minutes, and in the more than 4 two crabs need to be steamed for more than 15 minutes.

Crab steaming time if not enough, the crab meat is ripe, but the crab yolk and crab paste is thin and not gathered, the taste will be a lot worse, and the killing effect on the parasites is not the best, there is a certain risk of infection. Crab steamed for too long, crab meat steamed old, eating to give people the taste of wood chips, crab paste and crab yolk also steamed too cooked, too much water loss, and egg yolk, easy to become powder, edible taste will also decline a lot. Steaming crabs do not need to get the crab dead.?

The crab belongs to the river, one of the seafood category, this kind of food are required to raw processing, therefore, the more alive the better, the best is the live crab temporarily tied with a rope, and then immediately put into the steamer to steam, the flavor is more delicious, the meat is more delicate. Crabs belong to the semi-scavenging omnivore, its living environment was not very clean and hygienic, therefore, most of the crabs contain viruses, parasites, etc., once the crabs are dead, these unfavorable factors in the body will be diffused and eroded in a short period of time, as long as the ten minutes at room temperature can make the crabs deteriorate, unsuitable for consumption, all the dead crabs are not suitable for consumption.