The Up-to-Date Bartender's Guide by Harry Montague (1913, p.41)
| 1 piece | lemon peel — Dropped in. | acid |
| 1 jigger | Jamaica rum — Substituted for brandy. | base |
| 1 teaspoonful | sugar — bar sugar | base |
| hot water — Substituted for ice. | dilution | |
| nutmeg — Grated on top. | other |
- Substitute Jamaica rum for brandy and proceed as for Brandy Sling.
- Serve hot with lemon peel and grated nutmeg.
Garnish: Lemon peel and nutmeg
Source is explicitly substitution-based.