|2 fl oz||Calvados brandy|
|2⁄3 fl oz||Martini Rosso vermouth|
Difford's Guide remains free-to-use thanks to the support of the brands in blue above.
Calvados shines in this spirit-forward nightcap that despite convention is perhaps better on-the-rocks in a Rocks glass.
Adapted from a recipe in W. J. Tarling's 1937 Café Royal Cocktail Book.