Instructions

1. Set the oven to 190°C.
2. Mix the soy, mirin, oil and ginger.
3. Put the fish in a baking tray, skin-side down. Rub the fish with this mixture, pour over any leftover.
4. Slice the spring onion and scatter around the fish. Cover the dish with a lid or foil.
5. Bake for 10-25 minutes depending on the thickness of the fish.
6. Take the lid/foil off, baste with the sauce and scatter the sesame seeds on top.
7. Turn the oven setting to grill and cook for 5 more minutes until the top is golden.
8. Serve immediately.