Making its first appearance mid last century, the Rusty Nail is the very definition of a classic. But classic or not, the proportions used of Scotch to Drambuie vary widely. We tend to prefer a 3:1 ratio but it really is just a matter of taste.
Stir ingredients with ice and strain into an ice filled rocks glass.
believed to have been first created in the early 1940s, it was popularised in the 1950 at Club 21 in New York.