Butter a baking dish.
Take your fish and place it on a baking dish.
Pour ½ cup of wine and a pinch of salt and pepper
Put in the oven for 350 degrees for about 20 minutes
**MAKE the SAUCE**
Take your butter into a sauce pan, with the garlic and bay leave.
Pour ½ cup of wine and lemon, let it simmer until half is gone.
Pour ½ cup of half and half and mix until it starts to bubble a bit.
Let it cool off and then pour through a stainer into a bottle with an egg yolk.
Cover the top and shake it until the egg yolk is mixed.
Pour make into the sauce pan with a 1 tablespoon of corn starch and simmer until it starts to thicken.
Sprinkle fresh parsley on top
Serve with mash potatoes with vegetables and pour sauce around plate.