Step1:First wash the hairtail and cut it into sections. Put it in the flour, wrap it in the flour, then fry it in the oil.
Step2:After frying, put ginger, garlic and onion in the oil pan and stir fry. Then put the hairtail into the pan and add in the soy sauce, old soy sauce, oyster sauce, cooking wine, sugar and water. Cover with high heat and boil over low heat.
Step3:Boil it for about eight minutes. The thick soup will be ready to come out of the pot.
Step4:Serve on a plate.
Cooking tips:There are skills in making delicious dishes.