1. horse mackerel wash, put in the refrigerator to freeze hard, and then take out and cut into thick and thin slices.

2. to the appropriate amount of soy sauce to cut the slices dipped in soy sauce.

3. Then dry on a ventilated sieve, the surface of the fish fillets can be drained.

4. Take a clean wok and pour in salad oil and turn on the heat until 7 layers of heat.

5. Add the mackerel fillets and deep-fry over medium-low heat until the fish is cooked (turn the fish over from time to time in the middle to prevent it from getting stained).

6. While the fish is frying, add the rice vinegar and granulated sugar and mix well.

7. Drain the oil from the fried horse mackerel fillets.

8. Soak them in rice vinegar for a few seconds while they are still hot.

9. Fish up and serve.