The key lies in the size of prawns. Generally speaking, it takes about 1 to 3 minutes to cook medium-sized prawns, and it doesn't take more than 3 minutes. After boiling the water, put the prawns in, maintain the fire, and it's almost the same when you see the prawns turn red and roll.

There are many ways to cook prawns, among which boiled prawns can best preserve their original ecology. Boil prawns with tap water, then adjust the juice with soy sauce, sugar, ginger slices and other condiments, and dip them in boiled shrimps, so that it is not easy to lose the fresh flavor of shrimps due to cooking, which is convenient and delicious.

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When choosing shrimps, it is best to choose those that sink to the bottom of the pool, and most of the shrimps that float to the surface are due to lack of oxygen. However, you should also pay attention to the shrimp floating at the bottom of the water. Some dead shrimps will also sink at the bottom of the water, so you should carefully see if it is fresh.

Shrimp with transparent body and bright shell is the freshest. If the body part of the shrimp is found to be white and its activity drops, it proves that the life of the shrimp is coming to an end. ?

Choose shrimps with blue head, white belly, transparent back, complete body, dense carapace, clear and distinct shell, tight muscles, elastic body and dry and clean body surface.