Café Royal Cocktail Book by W. J. Tarling (1937, p.220)
| 0.25 part | lemon juice — Lemon Juice | base |
| 0.5 part | rum — Daiquiri Rum | base |
| 0.25 part | Cointreau | other |
- Shake and strain into cocktail glass.
X.Y.Z. is Daiquiri rum, Cointreau, and lemon juice.
Café Royal Cocktail Book by W. J. Tarling (1937, p.220)
| 0.25 part | lemon juice — Lemon Juice | base |
| 0.5 part | rum — Daiquiri Rum | base |
| 0.25 part | Cointreau | other |