01 - Fill two glasses halfway with ice cubes.
02 - Pour ½ cup cranberry juice into each glass.
03 - Add ½ cup chilled sparkling water to each glass.
04 - If desired, stir in agave syrup or honey to taste.
05 - Squeeze a wedge of lime into each glass and drop it in.
06 - Garnish with fresh mint leaves, stir gently, and serve immediately.