Peychaud's bitters is a type of cocktail bitters made from a combination of aromatic herbs and spices. It is named after its creator, Antoine Amedie Peychaud, who was a Creole apothecary in New Orleans, Louisiana. Peychaud's bitters has a distinct, spicy-sweet flavor with hints of anise and is commonly used in cocktails such as the Old Fashioned and the Sazerac. It is a key ingredient in the original recipe for these cocktails and is often used to add depth and complexity to a variety of other mixed drinks.