Brownish-colored cocktail in rocks glass with an orange peel twist - Heleno Viero/Shutterstock Why maraschino? During the 20th century, European liqueurs were all the rage in the United States.
The Cinnamon Old Fashioned is a riff on a classic whiskey cocktail, the Old Fashioned, that features bourbon, Angostura bitters, and a flavorful cinnamon syrup in lieu of granulated sugar.