El Bar Americano en España by Pedro Chicote (1927, p.126)
| 0.5 glass | Fine Champagne (coñac) — 1/2 copa de Fine Champagne (coñac) | base |
| 1 whole | yema de huevo fresco — 1 yema de huevo fresco | base |
| 0.5 glass | marrasquino de Zara — 1/2 copa de marrasquino de Zara | modifier |
| 1 tablespoon | jarabe de granadina — 1 cucharada grande de jarabe de granadina | sweetener |
- Layer carefully in a sherry glass, keeping the yolk completely whole and the liquids unmixed.