By Newfie
1 - 10oz. can mushroom pieces with juice
2 tbsp. butter
2 tbsp. flour
3/4 cup. fish stock
3/4 cup. sweet & sour cream
salt and pepper
dash worcestershire sauce
Simmer the mushrooms in their own liquid over low heat until the liquid evaporares. Add butter and when melted stir in flour, then the fish stock. While stirring, cook until smoothly thickened. Add sour cream and season to taste. Serve hot with fish. makes 2 1/2 cups.