Optional: Lemon slices and additional fresh mint leaves
In a small saucepan, bring sugar and water to a boil. Reduce heat; cook 1-2 minutes or until sugar is dissolved. Remove from heat; add lemon juice and mint leaves. If desired, stir in bourbon. Refrigerate 1 hour or until chilled.
Just before serving, strain mixture into a 2-qt. pitcher; stir in ginger ale. Serve over ice. If desired, top with lemon slices and additional mint.