Muddle two cucumber slices in the base of a shaker.
Add the Irish whiskey, lemon juice, elderflower liqueur and simple syrup.
Add ice and shake hard for 12 seconds.
Double-strain into a chilled coupe.
Garnish with a cucumber slice on the rim.
Created by Jack McGarry at The Dead Rabbit in New York, and the drink most likely to convert someone who says they do not like whiskey. Double-strain it — cucumber shards floating on the surface ruin the texture.
My Bar Shelf reads your shelf and shows you every cocktail you can make from what you already own, including Irish Maid.