2 oz Gin
1/2 oz Elderflower Liqueur
2/3 oz Lemon Juice
Splash of Sugar Syrup
Elderflowers.
Boxcutters, Jigger, Shaker Classic/Boston, Citrus Juicer, Strainer, Martini Glass.
Shake all with Ice and strain into a Martini Glass. Garnish with Elderflowers. You could make it longer by topping up with Tonic or soda Water.