Place the mussels and cockles in a pot with a little
water and steam until opened - remove them from
the heat and filter the broth. Slice the mushroom.
Mince the garlic and sauté in 3 tbsp of oil.
Add the mushrooms and cook them until dry, then
lower heat. Add salt and pepper to taste and
cook for another 10 minutes. Place fillets in
a baking dish with the shellfish juices and
the wine, salt and pepper to taste. Bake in
pre-heated oven at 400 degrees for 20 min
minutes before the fish is done, add the mushrooms,
mussels and cockles with or without the shells
and continue baking. In a bowl mix 1/2 cup of
flavored breadcrumbs and the oil. Remove the
fish from oven when done, cover with breadcrumb
mixture and broil till lightly brown (about