Toronto (cocktail) Embury, and in 1949 a recipe for the Toronto Cocktail was included in "Esquire's Handbook for Hosts". The Toronto Cocktail is a variation of the Old Fashioned, with the addition of Fernet-Branca. Variations of the cocktail substitute various rye whiskeys as the primary ingredient, such as Canadian whisky or Old Overholt. The Fernet Cocktail recipe by Vermeire specified of cognac or rye whisky, and gill of Fernet-Branca. The rye whisky complements the bitter Fernet-Branca and prevents it from dominating the cocktail. Sugar or simple syrup are used to reduce the cocktail's bitterness. It may be served in a cocktail glass
Oxygen cocktail of filling the cocktails with oxygen have been improved. Juices (grape, cherry, raspberry, etc.), syrups, water, milk and fruit-drinks are often used as the base of the cocktail. Oily and sparkling liquids result in poor homogeneity of the foam. The base liquid might contain extracts of plants and herbs such as hawthorn, strawflower, motherwort and rose hip, which themselves are used in the clinical practices. An essential element of the oxygen cocktail is the foaming agent, such as gelatin egg white or liquorice. Initially, oxygen cocktails were made with egg white. However clinical trials proved that this ingredient resulted in