Café Royal Cocktail Book by W. J. Tarling (1937, p.39)
| 0.75 part | whisky — Vat 69 | base |
| 1 dash | Angostura bitters | bitter |
| 0.25 part | Drambuie | modifier |
- Shake.
B.I.F. is Vat 69, Drambuie, and Angostura bitters.
Café Royal Cocktail Book by W. J. Tarling (1937, p.39)
| 0.75 part | whisky — Vat 69 | base |
| 1 dash | Angostura bitters | bitter |
| 0.25 part | Drambuie | modifier |
See also: Bif