This simple yet delicious way of preparing a whole fish produces beautifully tender and moist flesh. Hot oil is poured over the ginger, garlic and onion to enhance their flavor and infuse the oil.
1Thinly slice the onions diagonally and place the white part with a little of the green part in a medium heatproof bowl. Reserve the remaining onion for garnish.
2Add the ginger and garlic to the bowl with the white part of the onion and mix to combine.
3Heat the oil in a saucepan over high heat until very hot and just starting to smoke. Carefully pour half the oil over the white onion mixture and stir. Return the pan to the heat and repeat. Bringing the oil to smoke point enhances the flavor of the onion and ginger.
4Add the sugar, sesame oil, soy and vinegar to the onion mixture and set aside to cool.
5Insert the wire rack into position 6. Set the oven to Bake, Convection, 350°F, for 35 minutes and press Start to preheat. Meanwhile, continue to the next step.
6Trim the tail and fins and cut even sized slits into each side.
7Place 3 overlapping pieces of foil, double the length of the fish, on the roasting pan. Place the fish on top and spoon over a quarter of the ginger sauce. Turnover and place another quarter inside the cavity. Spoon over the remaining sauce. Wrap the fish in foil, sealing tightly.
8Once preheated, place the pan in the oven and cook for 35 minutes.
9Insert the tip of a knife near the head, the flesh should flake. If not, cook a little longer.
10Carefully transfer the fish to a serving plate and pour the cooking liquid into a bowl.
11Pour over half the cooking liquid. Sprinkle with the reserved green onions and serve with the remaining cooking liquid.