Gibson Grass Cordial

Method

Place 25 oz. tonic water in a saucepan and bring it to a boil. Add 1 small handful of each of the following: loose leaf kukicha tea, prunella leaves, shiso leaves, eucalyptus leaves, chopped lemongrass, kaffir lime leaves, lemon balm leaves, and lemon thyme leaves, reduce the heat to medium-low, and simmer for 15 minutes. Strain and add 25 ½ oz. sugar to the mixture. Stir until the sugar has dissolved. Let the cordial cool completely before using or storing.