Cut the salmon in 4 long stripes.
Make 2 "tresses" (braids), with 2 filet of salmon with 2 sole filet each - interweaving the two fish to make a lovely braid.
Heat your oven at 160ºc, 300ºF.
In a oven dish, butter the bottom and sprinkle the shallots, salt and pepper, add the 2 tresses on top and salt and pepper the fish, add add wine to the dish.
Cook the fish in the oven for 20 minutes and let rest 5 minutes.
Remove and serve with the orange butter and 2 or 3 orange segments.