Cut the vegetables into long thin strips (julienne) with a slicer and place them in a baking dish. Pour in the heated stock or stock, place the fish fillets on top and season with salt and pepper.
Cook in the oven at 160 ° C until the fish is through. The cooking time depends on whether you are using salmon steaks, fillets or frozen salmon. Approx. 15 - 25 minutes.
While the fish is cooking, put on a saucepan with the white wine for the sauce and let it reduce slightly. Pour in the cream and let it boil briefly.
When the fish is cooked, I pour the vegetable broth from the baking dish into the sauce, season it with the mustard and possibly also salt and white pepper and bind it a little with the starch.
You can also use egg yolks, I prefer starch. I serve basmati rice with it.