El Bar Americano en España by Pedro Chicote (1927, p.145)

0.5 copitacoñac — 1/2 copita de coñacbase
1 scoophelado de vainilla — 1 helado de vainillabase
soda — Used to fill the glass.dilution
0.5 copitaCointreau — 1/2 copita de cointreauother
  1. Build in a large crystal glass with vanilla ice cream, Cointreau, and cognac.
  2. Finish by filling the glass with soda and serve in the same glass with straws.

Garnish: Straws