Addington
Orange zest twist
STIR first 2 ingredients with ice and strain into chilled glass. TOP with a splash of chilled soda from a bottle/can or just the merest squirt from a chilled soda siphon.
[['3 cl', 'Martini Extra Dry vermouth'], ['3 cl', 'Martini Rosso sweet vermouth'], ['3 cl', 'Thomas Henry Soda Water (chilled)']]
[['3 cl', 'dry vermouth'], ['3 cl', 'red vermouth'], ['3 cl', 'soda water']]