America's festive winter drink combines bourbon and aged rum with whole egg, milk, cream, and sugar in a rich, frothy cup that has been associated with the holiday season since colonial times. George Washington's Mount Vernon recipe was famously potent — this one takes a more measured approach.
shaken · rocks glass · none
add
Combine bourbon, egg yolk, heavy cream, and simple syrup in a shaker without ice.
shake
Dry shake vigorously, then add ice and shake again until well chilled.
strain
Strain into a rocks glass or punch cup. Garnish with freshly grated nutmeg.