What To Do
To make the rosemary granadilla syrup:
Place the first 4 ingredients in a pot and slowly bring to a boil and cook until the sugar has dissolved. Remove from the heat and allow the herbs to infuse in the liquid.
To serve the drink:
Place ice, granadilla syrup, fresh granadilla pulp and lime slices into a glass. Pour over 1 shot of gin and top with tonic water. Serve with a sprig of rosemary.