Lay it into a baking dish and add Olive oil and balsamic vinegar.
Arrange the fishes on top of this and lightly press down with your palm. Roll your palm in an up and down movement. To massage the spices and oils into the fish.
Bake at 200 Celsius. 15 mins on both, 10 mins on bottom and five minutes on top.
Use the extra oils collected in the dish as dressing on a salad you make as an accompaniment.