L'Art du Shaker by Dominique Migliorero (1925, p.35)
| 0.33 part | lemon juice — Lemon juice | acid |
| 0.33 part | whisky — Whisky | base |
| 0.33 part | Dubonnet | modifier |
- Shake cold and serve.
The source explicitly marks this as the author's own recipe.
I. B. F. Cocktail
Migliorero's own I.B.F. mixes whisky, lemon, and Dubonnet in equal thirds.