This cocktail's aroma and flavor remind mixologist Richard Boccato of zabaglione, an Italian dessert sauce made with egg yolks, sugar and sweet wine. His grandmother made it for him when he visited her in Italy.
In a cocktail shaker, combine all of the ingredients except the cherry, ice and garnish; shake well. Add the cherry and ice and shake again. Strain into a chilled red wine glass; garnish with the nutmeg.