Broiled Flounder 4 small pieces flounder, cleaned and dressed 1/4 cup butter or margarine 1/4 cup lemon juice 3/4 teaspoon paprika 1 1/2 teaspoon salt dash of pepper 1. Melt the butter 2. Place flounder in baking dish 3. Combine all of the ingredients including butter, then use this sauce to brush onto both sides of the flounder 4. Preheat oven and broil the fish about 4 inches from the heat source, for about 12 to 15 minutes. 5. Baste flounder with any remaining sauce once during broiling.