Bartenders' Guide: How to Mix Drinks by Wehman Bros. (1912, p.34)
| 1 teaspoon | sugar — Sugar | base |
| 1 wine-glass | Whiskey — Whiskey | base |
| water — Hot water | dilution | |
| 1 whole | egg yolk — Egg yolk | other |
| nutmeg — Nutmeg | other |
- Dissolve the sugar in a little hot water, add the whiskey and egg yolk, shake thoroughly, pour into a medium bar glass, fill it half full with boiling water, grate nutmeg on top, and serve.