Café Royal Cocktail Book by W. J. Tarling (1937, p.97)
| 0.13 part | lemon juice — fresh lemon juice | acid |
| 0.5 part | Canadian whisky — Canadian Club whisky | base |
| 2 dashes | Angostura bitters | bitter |
| 0.38 part | Forbidden Fruit — Forbidden Fruit liqueur | modifier |
- Shake.