Proinsias wrote:first it becomes stale, then it becomes vintage
Yeah. I'd say there is a rest/don't drink period. I would put it at 2-5 years. Assuming its sealed, if its less than two it is still fresh. If its more than 5, its on its way to vintage. There might be some other rest periods down the line, but I haven't been in the game for long enough to know.
If you lightly roast annually or bi-annually, then you will also get something that is drinkable or better– provided you don't drink it too close to the roast.