El Bar Americano en España by Pedro Chicote (1927, p.110)
| 1 tablespoon | azúcar en polvo — Inherited from the Spanish grog formula. | base |
| 1 liqueur-glass | whisky — Substitutes for cognac in the Spanish grog. | base |
| agua hirviendo — Used as the remainder of the drink. | dilution | |
| 1 slice | rodaja de limón con clavos — rodaja de limón incrustada de 3 ó 4 clavos | garnish |
- Prepare the same way as the Spanish grog, substituting whisky for cognac.
- Serve hot in the same glass.