Mount Rushmore
STIR all ingredients with ice and strain into ice-filled glass (preferably over a chunk of block ice).
[['3 cl', 'Bourbon whiskey'], ['3 cl', 'Montenegro amaro'], ['3 cl', 'Fino sherry'], ['0.5 cl', 'Coffee liqueur']]
[['3 cl', 'bourbon whiskey'], ['3 cl', 'montenegro amaro'], ['3 cl', 'fino sherry'], ['0.5 cl', 'coffee liqueur']]