1, wash the fish that has been killed and scaled, forcibly wash off the black film in the belly of the fish, chop off the fins and cut off the head.

2. Lay the fish flat, hold down the fish body with one hand, and hold the knife with the other hand close to the fish bone to horizontally slice the fish body. Slice the fish on the other side in the same way!

3. Put the fish skin under the slice down, hold the fish with one hand, and use a knife with the other hand to slice the fish into fillets with a thickness of about 0.5 cm. Chop the fish steak into pieces with a thickness of about 5 cm, and cut the fish head in half.

4. After the fish fillets are cut, grab the fish fillets and fish fillets with cooking wine, starch, egg white and appropriate amount of salt, and marinate for 15 minutes. Pickled fish fillets can be used to make many fish fillets dishes such as pickled fish and boiled fish.

Nutritional efficacy of fish: Fish is an important source of protein. Fish is easily absorbed by human body, and100g of fish can guarantee half of protein needed by human body every day. Fish also supplies vitamins A, D, E, etc. needed by human body. Fish also contains a variety of fatty acids, which can prevent the increase of blood viscosity, effectively prevent the occurrence of heart disease, and strengthen the brain and nerve tissue and the retina of the eyes. For pregnant women and babies, these fatty acids are even more indispensable. A recent study by scientists shows that fatty acids also play a role in treating chronic inflammation, diabetes and some malignant tumors.