Orange bitters
Since most bitters are used by dashes or in drops, the amount of alcohol is minuscular, making the alcohol by volume hard to trace. Sometimes they are marketed as non-alcoholic, although they are made from alcohol. Orange bitters aren't usually bitter, but tart, and citrusy. Some cocktails can be bitter, depending on the other ingredients in them.
Orange bitters is also great with
Bronx
The Bronx is a cocktail with a unique balance of sweet, tart, botanical and boozy. It is a Perfect Martini with orange juice added and equal parts sweet and dry vermouth. It was ranked number three in "The World's 10 Most Famous Cocktails in 1934" after the Martini and the Manhattan. As with other mixed drinks invented before prohibition in the United States, more than multiple stories attributed to the invention of this cocktail.
Casino
The Casino is an IBA official cocktail made with gin, maraschino liqueur, orange bitters and fresh lemon juice. The Casino, which appeared in Harry Craddock's 1930 Savoy Cocktail Book, falls into a category of cocktails called Daisies. Each of these drinks includes a spirit, citrus, and a flavored sweetener.
Tuxedo
The Tuxedo is composed of gin, dry Vermouth, orange bitters, maraschino and Absinthe. It's very similar to the imperial cocktail, which adds maraschino to the combination of gin and dry vermouth. Related to the martini, the Tuxedo has had many variations since its inception in the 1880s. The cocktail is named after the Tuxedo Club in Orange County, New York where it was first mixed.
Chicago Cocktail
The Chicago Cocktail is a brandy-based mixed drink named after the city of Chicago, Illinois. It appeared in multiple cocktail manuals dating back to the 19th century. The main ingredients are brandy, triple sec, and bitters. Some versions do call for the Champagne to be added.
Manhattan
A Manhattan is a cocktail made with whiskey, sweet vermouth, and bitters. While rye is the traditional whiskey of choice, other commonly used whiskies include Canadian whisky, bourbon, blended whiskey, and Tennessee whiskey. Popular history suggests that the drink originated at the Manhattan Club in New York City in the mid-1870s, where it was invented by Iain Marshall for a banquet hosted by Jennie Jerome.
Bijou
A bijou is a mixed cocktail composed of gin, vermouth, and chartreuse. This beverage invented by Harry Johnson is called bijou because it combined the colors of three jewels: gin for diamond, vermouth for ruby, and chartreuse for emerald. The bijou was widespread for several decades however, it disappeared after Prohibition.
Pegu Club
The Pegu Club is a gin-made cocktail that was the signature beverage of Burma's Pegu Club. The club was called after the Pegu, a Burmese river. The first occurrence of the cocktail was in Harry of Ciro's book ABC of Mixing Cocktails from the 1920s. As the composition goes, the drink it's a Gin Sour but without the egg whites and with the addition of bitters.
Cooperstown
Cooperstown Cocktail is a refreshment cocktail made with gin, equal parts of dry vermouth, and sweet vermouth. It is shaken with ice and strained into a chilled cocktail glass with a sprig of mint added. Some variations have orange bitters and mint leaves added. The cocktail was invented at the Waldorf bar before Prohibition and was named in honor of Craig Wadsworth.