Pour 0.25 oz of Drambuie and 0.25 oz of Islay single-malt whisky into the mixing glass
Add 0.5 oz of dry vermouth and 2 oz of genever
Fill the mixing glass with ice cubes and stir carefully with a bar spoon
Strain into the cocktail glass
Place a thermometer into the glass and bring the temperature of the cocktail down to 4°C