Shake and strain, tumbler with rocks, fill with italian dry champagne, garnish with some cucumber slices
You can replace Trento doc with your favourite sparkling wine
Treble Green: 'triple green', but also 'high green'.
Treble in fact comes from the Latin "Triplum", which in medieval polyphonic music pointed to the third item, the one that covered the higher notes. Three greens are green apple, cucumber, lime.