6 to 8 large mint leaves (preferably chocolate mint)
1 1/2 ounces rye whiskey
1/2 ounce Domaine de Canton ginger liqueur
1/4 ounce fresh lemon juice
1 ounce Fever-Tree bitter-lemon soda
In a collins glass, muddle mint leaves with rye whiskey, Domaine de Canton and fresh lemon juice. Fill the glass with crushed ice and top off the drink with bitter-lemon soda. Garnish with a sprig of chocolate mint.