The Old-Fashioned is so popular now it’s changed the fortunes of the bourbon category.

The brand most favoured is Woodford Reserve, with 13% bars attesting to its suitability.

Maker’s Mark was preferred in 8% of bars and the same duo dominate when it comes to the Mint Julep - 14% opt for Woodford Reserve and 13% for Maker’s Mark.

In the Manhattan it’s Rittenhouse Rye that gets the nod in 22% of bars as opposed to 8% for Bulleit Rye in second. 

Bartenders are most likely to choose Johnnie Walker when it comes to a Rob Roy.

The Diageo scotch is chosen by 16% of bars, while Chivas Regal is used in 9% of bars, just ahead of mixed malt Monkey Shoulder.