The origins of this classic are lost to time, but it emerged in the early 20th century, its name an homage to the famed Scottish poet Robert Burns.
1 oz blended scotch whisky
1 oz sweet vermouth
0.5 oz Bénédictine liqueur
Garnish: lemon peel
Place all ingredients in a mixing glass with ice and stir until well chilled. Strain into a cocktail glass. Twist a lemon peel over the glass to release its oils and then drop it into the drink. Serves 1.