This riff on the gin rickey gets a dash of dry vermouth for extra complexity and raspberry syrup in place of the regular simple syrup.

Ingredients

　　1 jigger (1 1/2 ounces) gin

　　1 tablespoon dry vermouth

　　1 tablespoon fresh lime juice

　　1/2 to 1/3 cup chilled seltzer

　　1 tablespoon raspberry syrup

　　Garnish: slice of lime

　　In a tall glass filled with ice, combine gin, vermouth and lime juice. Fill glass with seltzer. Add raspberry syrup and stir. Garnish with slice of lime.