Set aside on a tray. In a small bowl, stir together fish sauce, soy sauce, oyster sauce, sugar and black pepper. Rub marinade all over both fish, coating them evenly and generously. Set fish aside ...

Add the chili-garlic paste, and continue to sauté briefly. Add the flamed sake and soy sauce, and season to taste with salt and pepper. Arrange the fish on a large plate, and top with the vegetables.