A classic drink called El Diablo (tequila, lime juice, Crème de cassis and ginger ale) inspired Philip Ward's Dahlgren. He replaced the ginger ale with club soda and ginger syrup—it has more zing—and the cassis with tawny port. More Reinvented Classic Cocktail Recipes
Fill a cocktail shaker with ice. Add the tequila, port, lime juice, Simple Ginger Syrup and bitters and shake well. Strain into an ice-filled highball glass and stir in the club soda. Garnish with the candied ginger and lime wheel.