Adjust the sweetness by varying the amount of simple syrup to your taste. The Angostura bitters are the star of this cocktail, so don't be shy with them. They provide the characteristic flavor that sets this fizz apart.
Keyword Angostura Bitters, Angostura Fizz, Bittersweet, Citrus, Classic Cocktails, Fizz, Gin, Refreshing, Soda Water