How to Make It
In a chilled collins glass, combine the Lemon Verbena Syrup, lemon juice and Honey Syrup. Fill the glass with ice and stir well. Stir in the tonic water and garnish with the lemon balm.
Lemon Verbena Syrup: In a small saucepan, boil 8 ounces of water. Remove from the heat and add 1/4 cup dried lemon verbena leaves. Cover and let steep for 5 minutes. Strain; discard the lemon verbena. Stir in 1/2 cup sugar until dissolved. Let cool, transfer to a jar and refrigerate for up to 3 weeks. Makes about 10 ounces.