|2 fl oz||Rutte Dry Gin|
|1⁄2 fl oz||Calvados brandy|
|1⁄2 fl oz||Blue curaçao liqueur|
|1 fl oz||Noilly Prat Extra Dry|
|1 fl oz||Freshly squeezed lemon juice|
|1⁄4 fl oz||Giffard Sugar Cane Syrup|
Difford's Guide remains free-to-use thanks to the support of the brands in blue above.
Gin, orange and lemon made Martini-like by a drying splash of vermouth.
In W.J. Tarling's 1937 Café Royal Cocktail Book (Coronation Edition), the invention of this cocktail is credited to J.B. O'Brien.