Café Royal Cocktail Book by W. J. Tarling (1937, p.82)
| 0.25 part | lemon juice — sweet lemon juice | acid |
| 0.25 part | orange juice — sweet orange juice | acid |
| 0.5 part | Drambuie | base |
| dash | champagne | other |
| 1 whole | egg | other |
- Serve in a medium glass and dash with champagne.