A classic drink called El Diablo (tequila, lime juice, Creme 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.
4 small pieces of candied ginger skewered on a pick and 1 lime wheel, for
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.