Café Royal Cocktail Book by W. J. Tarling (1937, p.228)
| 1 unit | egg — Egg | base |
| 1 part | spirit — Spirit of choice | base |
| 1 glass | milk — Hot Milk | dilution |
| nutmeg — Nutmeg | other | |
| 1 tablespoon | sugar — Sugar | sweetener |
- Beat the egg and sugar together, add the spirit, serve in a tumbler with hot milk, and grate nutmeg on top.