Café Royal Cocktail Book by W. J. Tarling (1937, p.148)
| 0.17 part | lemon juice | acid |
| 0.67 part | gin — dry gin | base |
| 0.17 part | creme de cassis — Crème de Cassis | modifier |
- Shake and strain into a cocktail glass.
Mississippi Mule
Mississippi Mule is dry gin with lemon juice and crème de cassis.