Talk Coffee Blog — 2021-10-09

Frozen coffee. Is it a thing?

For years now, baristas in competitions have been playing with frozen coffee. Roasters have been playing with frozen greens to preserve them and even growers have been investigating freezing at some points in their processing of nanolots to see whether there is something in the cup. We're all for experimentation. Beanscene magazine reported on it two years ago and for home users, the times are 'a changing' as well. ## What, why and how? We all know that coffee once roasted has a finite life. Within a few weeks of leaving the roaster, it's pretty much dead. Supermarket coffee? Almost guaranteed to be dead and coffee without a roast date on it? In our opinion, if the roaster's not telling you, there is something to hide. Probably dead. Pre-ground? Definitely dead. ## Freshness... Big roasters play with nitrogen flushing and/or vacuum packaging of their beans to try to slow deterioration a little and these methods do help - somewhat. In our experience, even with these methods, once opened