Cocktails Bar La Florida by Constante Ribalaigua Vert (1934, p.133)
| 1 teaspoon | lemon juice | acid |
| 0.5 part | Calvados | base |
| 0.5 part | sloe gin | base |
| 1 teaspoon | sherry brandy | modifier |
- Shake well and strain into a cocktail glass.
Ice: Cracked ice
Eureka
Eureka is sloe gin, calvados, lemon juice, and sherry brandy.