Step 1: Seasoned the fish or filet with salt and pepper.
Step 2: In a bowl prepare a mixture of water, vinegar, tomato concentrate, sugar, plum sauce, cornstarch, a pinch of salt, and set aside.
Step 3: Fry the fish and put it in a dish.
Step 4: In a wok, pour a net of sesame oil and make sweat the onion, the garlic, cook 2 mins. Add the ginger, mix well and add all the vegetables. Afterward, add the mixture and thicken the sauce.
Step 5: Pour the sauce generously on the fish and decorate with fried vermicelli, coriander, and onion tails.