Fill a small old-fashioned glass with cracked ice and set aside. In another small old-fashioned glass, put the lump of sugar and just enough water to moisten it. With a spoon, crush
, then add the Peychaud's bitters, Angostura bitters
, whiskey, and several ice cubes. Stir. Never use a shaker. Empty the first glass of ice, add the Herbsaint
, twirl the glass around, and shake the liqueur
the whiskey mixture into the glass, twist in the lemon
peel, and serve immediately.