My brother's blog entry this a.m. is an ode to coffee, that wake-up elixir that so many of us rely on to get us going in the morning. I decided to throw my two cents in on the same topic, but with a little bit of a twist: I want to talk about coffee roasting.
About two years ago, my husband and I became interested in the prospect of home coffee roasting. We were sick of stale grocery store coffee (even Starbucks leaves something to be desired in terms of freshness) and we were also attracted by the potential for saving some money. Green, unroasted coffee beans can be purchased in large quantities at very reasonable prices, and they will stay fresh for much longer than roasted beans do. On top of that, roasting our own coffee would ensure a fresh cup every time, because we could roast just exactly what we needed and not have to worry about the beans going stale.
So we started researching the possibilities as far as a roasting apparatus was concerned, and we stumbled upon this great site, Sweet Maria's. They have everything the burgeoning home roaster needs to get started, including every kind of green coffee bean imaginable, roasting equipment (ranging from the diminutive Hearthware I-Roast to the hurkin' big Hot Top Drum Roaster), and plenty of tips and suggestions to ensure roasting success. We dove in and bought a Fresh Roast roaster (I actually bought it as a Christmas gift for my husband) and went to town.
I suppose the first thing I should share about our experience is this: coffee roasting generates a HELL of a lot of smoke. The Fresh Roast only roasts enough beans for about two pots of coffee at one go, and the first time we fired it up, we set off the smoke alarm in our apartment. It was a little embarrassing to call the front desk of our building and explain that we were just trying out the new coffee roaster and not having a bonfire in our living room. After that, my resourceful hubby figured out a way to ventilate the roaster by putting a box fan in the kitchen window, setting the roaster on a stepstool next to said window, and shutting the kitchen door during the roasting proccess. That did a great deal to dissipate the smoke.
So after you've successfully roasted a batch of coffee, you have to let the beans cool and have a chance to "gas out" before you actually grind them up and brew them. Letting them sit overnight after roasting ensures a much nicer cuppa joe. You can put them in a glass jar or a bowl or anything you want, so long as you don't put a lid of any kind over the freshly roasted beans! We learned this lesson the hard way. My husband had put a batch of beans in a small plastic container and put the lid on it. Later that day, I was sitting in the living room when I heard a huge BANG! in the kitchen, followed by the sound of little coffee beans dancing merrily across the countertop and kitchen floor. The CO2 produced by the roasting process had gotten trapped in the container and had finally built up enough pressure to blow the lid right off. It sounded like a pipe had burst in the kitchen raidator. (Incidentally, it is the CO2 given off by the roasted beans that gives you that great flavor and "fresh" taste... and after a few days that CO2 dissipates, which is why coffee goes stale.) And no, putting your coffee in the freezer won't keep it fresher longer.
When we moved up to Allentown, we snaked a cord out the kitchen window and roasted on the back porch. Our next door neighbor thought we were burning trash out there or something (the smell of roasting coffee is NOTHING like the delightful aroma of fresh coffee in the grinder -- to put it mildly, it stinks to high heaven.) When she came out to see what we were doing, she was amazed that such a small amount of coffee could make so much thick, billowy smoke.
Unfortunately, the roasting chamber on our Fresh Roast is now defunct. (The plastic got too hot and cracked.) The new version of the Fresh Roast has a roasting chamber with an aluminum bottom, so supposedly it will not have the same problem as the old model. I haven't bothered to replace it yet....
.... I'm saving up for a Hot Top!
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