Cocktails by Pedro Chicote (1928, p.112) — Egg-yolk whiskey highball

1 egg yolkegg yolk — Yema de un huevo frescobase
1 copitawhisky base
Seltzer water — Agua de seltzdilution
1 tablespoonsugar — Azúcarsweetener
  1. Shake very well and serve in a highball glass.
  2. Top with seltzer water.

Ice: Ice pieces

This matters because it keeps an egg-yolk restorative highball alive inside the interwar Spanish bar world.

See also: Prairie Oyster Cocktail, Whiskey Highball