CLASSIC WITH A TWIST Recipe by Empirical R&D. Ingredients 6cl SOKA1.5cl fresh lime juice1.5cl simple syrup (2:1)2 dashes of orange bitters10cl Fever Tree tonic waterFresh lemon verbena for garnish Method Pour SOKA, lime juice, simple syrup and bitters into a highball. Fill with crushed ice and stir.Top up with tonic water and more crushed ice.Garnish with a palmful of fresh lemon verbena.