Almond Old Fashioned (with Bourbon base)
To prepare an Almond Old Fashioned with a Bourbon base, simply add Amaretto Disaronno.
Almond Old Fashioned (with Tequila base)
To prepare an Almond Old Fashioned with a Tequila base, substitute Bourbon Whiskey with Tequila and add Amaretto Disaronno.
Tequila Old Fashioned
A Tequila Old Fashioned, instead of Bourbon Whiskey, uses Tequila. Additionally, Margarita Bitters are added instead of Angostura Bitters.
Brandy Old Fashioned (Wisconsin-style)
Instead of Bourbon Whiskey, the Brandy Old Fashioned uses brandy.
Irish Old Fashioned
To prepare an Irish Old Fashioned, Irish Whiskey is used instead of Bourbon Whiskey.
Maple Rum Old Fashioned
To make a Maple Rum Old Fashioned, replace the Bourbon Whiskey with Caribbean Rum.
Speyside Single Malt Old Fashioned
For a Speyside Single Malt Old Fashioned, simply replace the Bourbon Whiskey with Speyburn 10 Years Old.