You can make this ahead of time and store it in a sealed container in the refrigerator so that it will be ready for breakfast each morning.
Whip egg whites, set aside. Beat egg yolks and stir in milk. Beat in flour and sugar. Add melted butter or shortening.
When thoroughly combined, fold in beaten egg whites.
Serve dotted with butter, drizzled with maple syrup or topped with a spoonful of marmalade or fruit.
See also: Perfect Waffles