Peychaud's Bitters is a type of aromatic bitters created in the early 19th century by Antoine Peychaud, a Creole apothecary in New Orleans. It is known for its distinct flavor profile, which includes hints of anise, cherry, and various spices. The bitters are often used in cocktails to enhance flavors and add complexity. One of the most famous cocktails featuring Peychaud's Bitters is the Sazerac, which is considered one of the oldest cocktails in the United States. The bitters are typically used in small amounts, making them a key ingredient in many classic and modern drinks.