Café Royal Cocktail Book by W. J. Tarling (1937, p.100)
| 0.25 part | dry vermouth — French vermouth | base |
| 0.5 part | Swedish punch — Swedish Punch | modifier |
| 0.25 part | sweet vermouth | modifier |
- Mix and strain.
Grand Slam is French vermouth, sweet vermouth, and Swedish Punch.
Café Royal Cocktail Book by W. J. Tarling (1937, p.100)
| 0.25 part | dry vermouth — French vermouth | base |
| 0.5 part | Swedish punch — Swedish Punch | modifier |
| 0.25 part | sweet vermouth | modifier |
See also: Slam