What Is Nitro Coffee

Nitro coffee is cold brew coffee charged with nitrogen gas and served on tap, typically through a stout faucet similar to those used for Guinness. The result is a drink that looks and feels surprisingly similar to a stout beer: dark, with a cascading effect as it settles and a creamy head that sits on top.

What nitrogen does to coffee

Nitrogen bubbles are very small and do not dissolve easily in liquid, which is different from carbon dioxide (which makes drinks feel sharp and acidic). When cold brew is infused with nitrogen under pressure and then poured, the pressure drop causes the gas to form tiny bubbles throughout the liquid. This creates a thick, creamy mouthfeel without adding any dairy.

The cascade

The cascade is what makes nitro coffee visually distinctive. When poured into a clear glass, the drink appears to swirl and fall as the nitrogen bubbles separate and rise. It settles within about 30 seconds into a dark, opaque liquid with a light-colored foam head. The visual experience is part of the appeal, but the texture is why people come back for it.

Flavor differences from regular cold brew

The nitrogen infusion makes nitro cold brew taste slightly sweeter and significantly creamier than the same cold brew served without nitrogen. This is a textural perception effect rather than an actual change in sugar content. The nitrogen also mutes some of the acidity and brightens the chocolate notes in the coffee.

Where to find good nitro

Nitro cold brew is now available at most specialty cafes and many chains. The quality varies substantially. The best nitro is made from high quality cold brew concentrate, served from a well-maintained tap system, and poured at the right temperature. Seattle and Portland have some of the best nitro programs in the country.

Related reading: cold brew, cold brew vs iced coffee.

Nitro cold brew counts the same as any other qualifying drink on Pulled Coffee.