Clean and wash the fish, cut it into pieces.
Put the pieces in an oiled tray and cover with 1/2 the parsley and mashed garlic.
Pour on a mixture of the wine and lemon juice on top, sprinkle salt and pieces of butter.
Bake at 392°F (200 °C) for 15-20 min.
Before serving, sprinkle chopped fresh parsley and a piece of butter.