His friend had the same model and instead of using it to pop popcorn, he roasted coffee beans. Now Dustin's roasting his own coffee beans at home and enjoying the freshest possible coffee (not to mention saving money). To help out other aspiring DIY home roasters, he shared these pictures of the process with us. For more info, check out this wikiHow page and this video for simple how-to instructions. And remember to keep your eyes peeled for popcorn poppers on the yerdle app.