Cocktail Snacks Go Beyond a Garnish

A twist of orange in an old fashioned, an olive speared in a martini—classic cocktails just aren’t complete without a garnish. But as bartenders push the limits by balancing gingerbread cookies on the rim of a sazerac or presenting an array of sashimi across a punch bowl, we have to ask: When is a garnish no longer a garnish, but something more?

“This is not something you eat for lunch, but it’s a...