Kathy Casey lightens the sidecar by replacing most of the traditional Cognac with vodka and adding muddled fresh blackberries. For an extra hint of citrusy complexity, she sometimes includes a drop of orange blossom water, too.
Reinvented Classic Cocktail Recipes
Fill a cocktail shaker with ice. Add the vodka, Cognac, lemon juice, Simple Syrup and blackberries and shake well. Strain into a chilled martini glass and garnish with the orange twist.