Baker Don Guerra's Breads Celebrate Arizona's Agricultural Past and Present

The morning sun has yet to peak over Tucson’s Santa Catalina Mountains as Don Guerra, owner of Barrio Bread, begins shaping large boules of buttery yellow dough on a wood table. Using a plastic stencil, he sifts flour over each round; when removed, an impression of Arizona’s state flag is revealed. A few brisk slashes with a lame form crosshatches that frame the image. When baked, the bread’s crust will...