The same size portion of Fresh Ocean Tout / Salmon.
Take a piece of aluminium foil 60cms in length. Fold him half carefully and line up the edges.
place your lovely fish in the middle.
add slat and white pepper.
add a sprig of a gentle herb, Dill is nice ( you do not want to overpower the fine taste of your fish).
Add a knob of butter ( unsalted as you have done the salt already).
Fold the long sides of the foil up to the middle and seal by folding over twice
Fold one end in tightly.
Tilt the open end end of the package upwards and,
Now add some Noilly Prat ( a fine french vermouth, if you don’t have it use white wine).
carefully fold over and seal the other end.

Place in a skillet or on a baking sheet under a grill heated to the max for at least 12 minutes.

What you end up with is a fab fish fillet steak with it own in built sauce.

A word on Noilly Prat; If you don’t have it you probably don’t make Martinis; get a shot of it from the local pub and try it in your food. It gives you that je ne said quoin dimension tour sauce!