Grist: On a recent vacation to Asheville, North Carolina, I headed to the market to get a loaf of bread. Asheville is home to a large a number of small-scale bakeries, many of which sell primarily at tailgate markets and wholesale to nearby specialty food shops. I found the market shelves stocked with lovely loaves of ciabatta, baguette, marble rye, and challah, but I was most intrigued by a few loaves that I knew at first glance were special. Packaged in brown paper bags with a hand-stamped …