|2 fl oz||Warre's Otima 10yo tawny port|
|1 fl oz||Cognac|
|1⁄2 fl oz||Giffard Sugar Cane Syrup|
|1 fresh||Egg (white & yolk)|
Difford's Guide remains free-to-use thanks to the support of the brands in blue above.
As the anonymous writer of the 1887 edition of the Professor's book comments, "The name of this drink is a misnomer, as coffee and bitters are not to be found among its ingredients, but it looks like coffee when it has been properly concocted."
Recipe adapted from Jerry 'The Professor' Thomas' 1887 The Bar-tender's Guide.