Café Royal Cocktail Book by W. J. Tarling (1937, p.193)
| lemon juice — Juice of 1/4 of a Lemon | acid | |
| 1 unit | egg yolk — Yolk of a fresh Egg | base |
| 0.5 part | gin — Seager's Dry Gin | base |
| 0.4 part | Cointreau | other |
| 0.1 part | Grenadine — Grenadine | sweetener |
- Shake.
Invented by "Romaine"; prize-winner International Cocktail Competition, Frankfurt-on-Main, October 1934.