In a mixing glass half filled with ice, combine bourbon, pineapple syrup and aromatic bitters.
Stir for 10 seconds until well chilled.
Strain into a rocks glass filled with ice or one large ice cube.
Garnish with a slice of fresh pineapple.
Sip and enjoy!
Notes
Water is an ingredient in this cocktail, and we're adding it with the ice. Don't skip stirring with ice or only stir for 1-2 seconds. The ice needs time to melt slightly, contributing cold water to your drink.