Cocktails by Pedro Chicote (1928, p.146) — White Horse branch

orange bitters — A few drops.base
0.5 partWhite Horse whisky — Whisky Caballo Blancobase
0.5 copitavermouth — Vermutmodifier
  1. Shake and serve in a cocktail glass.

Ice: Chopped ice

This matters because it preserves a branded whisky-and-vermouth aromatic in the Madrid interwar field.

See also: Manhattan Cocktail, Whiskey Cocktail