Café Royal Cocktail Book by W. J. Tarling (1937, p.201)

0.4 partgin — Seager's Ginbase
chocolate — Grated Chocolateother
0.4 partcream — Fresh Creamother
0.2 partGrenadine — Grenadine (Garnier)sweetener
  1. Shake.

Garnish: Grated chocolate on top.

Invented by Tim Hollings.