This traditional sidecar drink recipe is courtesy of Ti Adelaide Martin and Lally Brennan, authors of "In the Land of Cocktails."
Place sugar in a shallow dish or saucer. Run the lemon wedge around the rim of a martini glass and discard. Dip rim in sugar to coat. Fill glass with ice and set aside to chill.
Fill a cocktail shaker with ice and add brandy, Cointreau, and lemon juice; shake vigorously.
Remove ice from glass and discard. Twist lemon peel over glass; strain cocktail into glass. Serve immediately.