Porto Flip

• ½ oz. brandy 
• 1 ½ oz. port
• ⅓ oz. egg yolk
• ½ cup ice
• 1 nutmeg

Into a cocktail shaker add the brandy, port, egg yolk and ice.
Shake well till the yolk has dissolved and thickened the cocktail. 
Strain into a glass and serve, topped with a garnish of freshly grated nutmeg.