1 1/2 lb. orange roughy or fish of choice
3 tbsp. butter, divided
2 tbsp. flour
1 c. milk
2 oz. Gruyere cheese
Grated pinch of nutmeg
1 tbsp. bread crumbs
1 tbsp. grated Parmesan cheese
Salt and pepper to taste

Cut fish into serving pieces. Arrange in buttered oven-proof dish. In saucepan, melt 2 tablespoons butter. Remove from heat. Stir in flour, then milk. Season with salt and pepper. Return to heat. Bring to boil, stirring constantly. Reduce heat. Add Gruyere and nutmeg. Cook until cheese is melted. Do not boil.

Spoon sauce over fish. Sprinkle with crumbs mixed with Parmesan cheese. Drizzle 1 tablespoon melted butter over all. Bake in preheated 350 degree oven 20 to 25 minutes. Serve immediately.