'We created this as a twist on a Gin Buck [a drink made with gin and ginger ale]' says the team at refreshing Soho sipper, Basement Sate. 'The sweet white port is sharpened by the dry gin and the fernet adds a slightly bitter ending.'
Glass: Coupette
Add all ingredients except the ginger ale to a shaker and shake over ice
Double-strain into the coupette and top up with chilled ginger ale
Garnish with a slice of cucumber