from their site:
This stout is aged on coffee beans from Rwanda.Known as the the “land of a thousand hills”, Rwanda produces some of the world’s finest coffee due to its volcanic soil, high altitude and plentiful rain. We are partnering with Thousand Hills Coffee as a source for this Rwandan coffee. Working with micro-entrepeneurs like Thousand Hills Coffee offers some of the world’s best ingredients and a chance to give the little guy a leg up.
We start with a clean, dry stout brewed with a bit of smoked malt and dark roasted barley, and then age it for one week on whole coffee beans - 3/4 of a pound per barrel. The result is a rich, roasty flavor with a smooth finish.