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Fill a cocktail shaker with ice (or use a clean medium-sized jar if you don’t have a shaker).
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Add the whiskey, espresso, and coffee liqueur to the shaker.
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Shake for about 15 seconds to chill and mix.
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Strain the mixture into a glass (a chilled martini glass or coupe is ideal).
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Garnish by placing 2 coffee beans on top of the drink