The classic, invented at the Monteleone Hotel in 1930s New Orleans.
0.75 oz rye whisky
0.75 oz Cognac
0.75 oz sweet vermouth
0.5 oz Bénédictine liqueur
2 dashes Angostura bitters
2 dashes Peychaud’s bitters
Garnish: lemon twist
Place all the ingredients into a mixing glass with ice and stir until well chilled. Strain into a rocks glass over fresh ice or, if you prefer, served up in a chilled cocktail glass. Garnish with a lemon twist. Serves 1.