How to make:
STIR all ingredients with ice and fine strain into chilled glass.
Lemon zest twist
Dry and hardcore - gin, apple brandy and Scotch, tamed only by a little dilution and being chilled.
Thought to be named after the noted 'all American' advertising guru and political publicist, Bruce Fairchild Barton, who in 1919 co-founded the Barton, Durstine & Osborn advertising agency.