Combine the marinade in a bowl, coat the marlin thoroughly and leave for 10~15 mins. And then add the cornstarch, mix to coat the marlin thoroughly.
Heat the vegetable oil to 355°F(180°C) in a pot. Deep fry marlin in the oil until browned. Green beans, asparagus eggplant are deep fried with no coat. Drain off the oil.
Arrange the marlin, deep fried vegetables, tomato in a serving plate and top with the sweet-sour onion dressing. → (https://cookpad.com/us/recipes/268146-sweet-sour-onion-dressing-with-tofu).