- 1 ounce Michael Collins Irish Whiskey
- 1 ounce stout or coffee porter
- 1 very fresh egg
- 2 bar spoons sugar
- Freshly grated nutmeg
Fill a cocktail shaker with ice. Add whiskey and beer and shake for 10 seconds. Strain into a 2 cup jar. Add egg and sugar. Blend with immersion blender until light and frothy. Pour into a cocktail glass and garnish with nutmeg.