Café Royal Cocktail Book by W. J. Tarling (1937, p.199)
| lemon juice — Juice of 1/2 Lemon and 1/4 Grapefruit | base | |
| 1 liqueur glass | Chartreuse — Green Chartreuse | modifier |
| 1 unit | egg white — White of 1 Egg | other |
- Shake and strain into cocktail glass.
St. Germain is Green Chartreuse shaken with lemon, grapefruit, and egg white.
Café Royal Cocktail Book by W. J. Tarling (1937, p.199)
| lemon juice — Juice of 1/2 Lemon and 1/4 Grapefruit | base | |
| 1 liqueur glass | Chartreuse — Green Chartreuse | modifier |
| 1 unit | egg white — White of 1 Egg | other |