50ml Botanical Spirit
20ml lemon juice
20ml grapefruit juice
20ml 1:1 sugar syrup (click here for sugar syrup recipe)
20ml soda water
Grapefruit twist to garnish
Add all ingredients apart from the Soda Water to a cocktail shaker,
then fill with cubed ice and shake hard for 12 seconds.
Fine strain in a chilled highball glass, then add the Soda Water and garnish.