Psycho Killer Cocktail
STIR all ingredients with ice and strain into chilled glass.

Special ingredient: Cocoa nib-infused Campari
Add 2 tablespoons of cocoa nibs to one 70cl or 75cl bottle Campari. Let infuse for one hour and then strain to remove cocoa nibs. Pour back into bottle and mark bottle accordingly.
[['6 cl', 'Irish whiskey'], ['2.25 cl', '*Special ingredient #1 (see above)'], ['1.5 cl', 'Giffard Banane du Brésil liqueur'], ['1.5 cl', 'Dutch Cacao white crème de cacao'], ['2 dash', 'La Fée Parisienne absinthe']]
[['6 cl', 'irish whiskey'], ['2.25 cl', '*special ingredient #1'], ['1.5 cl', 'giffard banane du brésil liqueur'], ['1.5 cl', 'dutch cacao white crème de cacao'], ['2 dash', 'absinthe']]