Alaska (Straub's 1914 recipe)
Orange zest twist
STIR all the ingredients with ice and strain into chilled glass.
[['4.5 cl', 'Portobello Old Tom gin'], ['2.25 cl', 'Yellow Chartreuse liqueur'], ['1 dash', 'Orange Bitters by Angostura'], ['1 cl', 'Chilled water (omit if using wet ice)']]
[['4.5 cl', 'gin'], ['2.25 cl', 'yellow chartreuse liqueur'], ['1 dash', 'angostura'], ['1 cl', 'chilled water']]