Café Royal Cocktail Book by W. J. Tarling (1937, p.35)
| lemon peel — Squeeze on top. | acid | |
| 1 part | Whiskey — rye or bourbon whisky | base |
| 2 dashes | Angostura bitters — Angostura Bitters | bitter |
| Orange peel — Squeeze on top. | garnish | |
| 2 dashes | Curaçao — Curaçao | modifier |
- Stir the whiskey, Angostura bitters, curaçao, and ice until cold.
- Strain into a wine glass and squeeze lemon and orange peel on top.
Garnish: Squeezed lemon and orange peel
Ice: Ice
Source says "Mix."