from The Craft of the Cocktail
Shake all the ingredients with ice and strain into a chilled martini glass. Garnish with the slice toast.
Created at the Lanesborough Hotel in London, where Salvatore Calabrese — one of the true masters behind the bar — keeps the sta on their toes and the guests very happy. Burke's Complete Cocktail and Drink Book (1934) by Harman Burney Burke, has a variation called the Miami Cocktail made with gin as the base and Vermouth (Sweet), orange juice, bitters, and marmalade.