Smash cocktails are relatively open to interpretation, but they generally contain a spirit like bourbon or whiskey, some kind of seasonal fruit, often an herb, ice, and occasionally something fizzy, like seltzer or in the case of this recipe, ginger beer. They're a great, easy summer cocktail and you can mix things up with various fruit and herb combinations! This bourbon smash would also be great with cherries, nectarines, apricots, or even blackberries, raspberries, etc.