While not necessarily underrated, bitters are a fundamental component of many classic cocktails. Experiment with different types of bitters, such as aromatic, orange, or chocolate, to impart unique flavors and aromas to your drinks.
Absinthe, an anise-flavored spirit, was once controversial but has made a comeback in cocktail culture. A few dashes of absinthe can add a subtle herbal and licorice note to your cocktails.
Also known as pimento dram, this Caribbean liqueur has a warm, spicy flavor reminiscent of cinnamon, cloves, and nutmeg. It's a great addition to tiki and winter-themed cocktails.
Orgeat is a sweet almond syrup with a hint of orange flower water. It's an essential ingredient in classics like the Mai Tai and adds a rich, nutty sweetness to your cocktails.
Genever, the predecessor of gin, is a malty, juniper-infused spirit with a unique flavor profile. It can add depth to cocktails and is a key ingredient in the classic cocktail called the "Improved Holland Gin Cocktail."
Green Chartreuse and Yellow Chartreuse are herbal liqueurs with complex flavors. A touch of Chartreuse can elevate cocktails like the Last Word or the Champs-Élysées.
Falernum is a Caribbean syrup with flavors of lime, ginger, and cloves. It's an essential ingredient in tiki drinks and adds a tropical twist to your cocktails.
Also known as gum syrup or gum arabic, this syrup is made from the sap of the acacia tree. It adds a silky texture to cocktails and enhances mouthfeel, making it an excellent choice for classic cocktails like the Ramos Gin Fizz.