Gary Regan's - Orange Bitters N.6
Gary Regan (September 18, 1951 – November 15, 2019) was a British-born bartender and writer of books on alcohol, bars, and mixology in the United States. He developed bitters based on recipes from a book by Charles H. Baker Junior “The Gentleman's Companion: An Exotic Drinking Book”. Its flagship product, Orange Bitters No.6 is produced in collaboration with the Sazerac team (Buffalo Trace, Papy Van Winkle, Eagle Rare…).
Orange Bitters No.6 consists of water, an alcohol made in New Orleans, bitter orange extract, herbs and caramel.