from The Craft of the Cocktail
Shake all ingredients very well, making sure to completely emulsify the egg white. Strain into a Marie Antoinette-style champagne glass or Cuban daiquiri glass.
Drinks shaken with egg form a great-looking layer of foam on top and don't usually need a garnish, with the exception of a dusting of grated nutmeg or powdered cinnamon. But the flavor of this drink would be greatly enhanced with a little orange peel grated over the top.