This drink is one of my absolute favorites-- a go to. However, I prefer different proportions. I mix a 5:1 ratio, usually 2.5 oz. gin, .5 oz elderflower. Basically, I'm treating the liqueur as a vermouth stand-in. I also generally Stir rather than Shake. The gin really carries this, with the herbal and floral notes giving it a bright pop and roundness. Not too sweet.