Authentic Matalote

This is a nice dish and it can be made
with either red wine or white wine.
Traditionally it is made with red,
but I think the white is much more pleasing.

Ingredients :
2 lb Whitefish fillets
1 lrg Yellow onion, peeled, diced
1/2 cup Fresh parsley, chopped
1 cup Mushrooms, sliced
1 tsp Whole thyme
Pepper & salt to taste
1 pch Nutmeg
3/4 cup Red or white wine
1 1/2 tbl Flour
1 1/2 tbl Butter

Directions:
Cut the fish into 3-inch long pieces,
and place them into a heavy pot with a tight lid.
Add the diced onion, parsley, mushrooms, thyme,
pepper, salt, and nutmeg, and cover with the wine.
Bring to a heavy simmer
and cook, covered, for about 20 minutes,
or just until the fish begins to flake.
Remove the fish pieces to a
heated platter, and reduce the sauce.
Blend the flour and butter over
medium heat until a light brown roux.
Use to thicken the sauce.
This dish was served over pieces of bread
that had first been fried in butter.