On most days, we're like any other card-carrying, food-conscious environmentalists. My wife and I shop at our local natural grocery store, dutifully selecting locally grown, organic produce. We planted fruit trees a few years ago, our summer vegetable garden is thriving, and we generally do what we can to make Michael Pollan proud.

But every now and then, late at night, we get a little wild. Often to the accompaniment of John...