What is a standard garnish for a Gibson cocktail?

The standard garnish for a Gibson cocktail is a cocktail onion. This choice is significant as the Gibson is traditionally made with gin and dry vermouth and is typically served straight up. The inclusion of a cocktail onion as a garnish not only enhances the visual appeal of the drink but also adds a subtle flavor that complements the botanicals found in gin.

Garnishes in cocktails serve both aesthetic and taste purposes, and the unique choice of a cocktail onion distinguishes the Gibson from other similar cocktails, like the Martini, which typically employs an olive or a lemon twist. Understanding the traditional garnishes associated with various cocktails is crucial for any bartender, as it reflects the drink's identity and the experience intended for the consumer.