Preparation / Directions:
Saute onion, parsley and mushrooms in 1 teaspoon of margarine, stirring constantly until onion is soft. Place half the fillets in a greased baking dish. Sprinkle lightly with pepper and spread sauteed mixture evenly over fish. Top with remaining fillets, season with pepper, pour wine over all. Bake at 350 degrees F . uncovered, for 15 minutes. Remove from oven and drain, reserving the pan liquid. In a small saucepan, combine flour and milk. Add the reserved pan liquid and cook, stirring constantly until thickened. Pour over fish and bake 5 minutes longer . Sprinkle with paprika and parsley.