Café Royal Cocktail Book by W. J. Tarling (1937, p.93)
| 1 slice | lemon — lemon slice | acid |
| 0.33 part | gin — Booth's High and Dry gin | base |
| 0.33 part | Vodka | base |
| 0.33 part | passion fruit juice — sweetened passion fruit juice | dilution |
- Shake with ice and serve.
Ice: Ice