Prepare the stuffing in advance. Brown the previously chopped shallots in a little butter.When they start to brown a bit, add the white wine, lemon juice, pepper and parsley.Let reduce then remove from heat. Add the crème fraîche, mix well and set aside. Open all your oysters using a knife or ask your fishmonger to do it for you. It is best to do this at the last minute or a few minutes before preparing them.
Preheat your oven in grill mode.
Remove the oysters from the shells and drain the water a little. Place them flat on your oven rack.
Place a teaspoon of stuffing in each of the oysters and sprinkle breadcrumbs on top.
Bake for 3 to 6 minutes at high temperature, just long enough for the breadcrumbs to brown.