Sazerac

Ingredients

• 1 1/2 oz Cognac
• Absinthe (rinse)
• 1 sugar cube
• 2 dashes Peychaud's bitters
  
• Garnish: lemon zest

Instructions 

1. Chill an old-fashioned glass then add absinthe to the inside as a rinse. 
2. Stir all other ingredients into a mixing glass or open cocktail shaker with ice. 
3. Strain into the chilled old-fashioned glass. with the absinthe and garnish.
4. Note: After the American Civil War, this recipe substitutes Rye Whiskey for Cognac.