Perfect for brunch, a nightcap, and really any time of day in Boston, the espresso martini has many thirsty fans in the Bay State.

It’s on almost any bar menu, no matter the concept. Some bars keep it simple, serving up an espresso martini with just a coffee liqueur. Other bartenders put their own spin on it, adding notes of coconut or burnt sugar to caffeinated cocktail.

They’re sugary sweet, sometimes slightly bitter, even velvety depending on its maker. Some places make more than one variation that they’ve turned it into a flight.

A classic espresso martini. Photo by Matthew J Lee/Globe Staff

The availability of the espresso martini, whose origins date to the 1980s, is largely due to its national rise and renaissance that kicked off a few years ago. In fact, we asked readers in

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