Café Royal Cocktail Book by W. J. Tarling (1937, p.124)
| 0.5 part | gin | base |
| 0.25 part | Pineapple juice | dilution |
| 0.25 part | curacao — white curaçao | modifier |
| 1 dash | kummel | modifier |
- Shake.
Invented by Godfrey Baldini.
Keep Smiling is gin, pineapple juice, white curaçao, and a dash of kummel.
Café Royal Cocktail Book by W. J. Tarling (1937, p.124)
| 0.5 part | gin | base |
| 0.25 part | Pineapple juice | dilution |
| 0.25 part | curacao — white curaçao | modifier |
| 1 dash | kummel | modifier |
Invented by Godfrey Baldini.