Café Royal Cocktail Book by W. J. Tarling (1937, p.122)
| 0.13 part | lemon juice | acid |
| 0.13 part | orange juice | acid |
| 0.5 part | gin — Booth's dry gin | base |
| 0.25 part | Benedictine | modifier |
| 1 unit | egg white — white of egg | other |
- Shake and strain.
Invented by J. Perosino.