El Bar Americano en España by Pedro Chicote (1927, p.119)

1 tablespoonazúcar — 1 cucharada grande de azúcarbase
0.5 copitaron o coñac — 1/2 copita de ron o coñacbase
canela — Dust at service.other
1 glassleche caliente — 1 copa de leche calienteother
1 wholeyema de huevo — 1 yema de huevoother
  1. Beat very well with a spoon in the shaker and serve in a large glass.
  2. Finish with a little cinnamon.

Garnish: Cinnamon