1/4 c. fine, dry bread crumbs
1/4 c. grated Parmesan cheese
1 lb. flounder, sole or salmon fillets
1/4 c. mayonnaise

In a shallow dish, combine crumbs and cheese. Brush both sides of fish with mayonnaise. Coat with crumb mixture. Arrange in single layer in shallow baking dish. Bake at 375 degrees for 20 to 25 minutes, until golden brown and fish flakes easily.