STIR all ingredients with ice and strain into chilled glass.
Orange zest twist
Sweet vermouth counters dry sherry with dry vermouth further enhancing the vinous flavours and balance. Orange bitters and an orange zest twist add citrus freshness and enhances the delicate bittersweet balance.
Adapted from numerous other Bamboo recipes by yours truly (Simon Difford) on 2nd August 2014 at the Cabinet Room, London, England.