Fish Au Gratin
["1 lb. frozen or fresh fillet of sole, flounder or haddock", "1/3 c. real mayonnaise", "1/4 c. grated Parmesan cheese", "2 Tbsp. fine dry bread crumbs"]
["Brush each fillet with real mayonnaise.", "Mix cheese and crumbs; roll fish in crumb mixture.", "Place in baking dish. Sprinkle with remaining crumb mixture.", "Bake in 375\u00b0 oven until fish is lightly browned and flakes easily when tested with fork; 30 to 35 minutes for frozen fish or 25 minutes for thawed or fresh fish.", "Serves 3 to 4."]
["haddock", "mayonnaise", "Parmesan cheese", "bread crumbs"]