Cocktails Bar La Florida by Constante Ribalaigua Vert (1934, p.185)

1 peellemon peel acid
0.33 partcognac — Tres Copas cognacbase
0.33 partcreme de cacao base
1 dashAngostura bitters — Angosturabitter
0.33 partmilk — fresh sweet milkdilution
1 yolkegg yolk other
  1. Shake well and strain; serve with cinnamon on top.

Ice: Cracked ice