Quick bread leavening process, agents (one or more food-grade chemicals—usually a weak acid and a weak base) are added into the dough during mixing. These agents undergo a chemical reaction to produce carbon dioxide, which increases the baked good's volume and produces a porous structure and lighter texture. Yeast breads often take hours to rise, and the resulting baked good's texture can vary greatly based on external factors such as temperature and humidity. By contrast, breads made with chemical leavening agents are relatively uniform, reliable, and quick. Usually, the resulting baked good is softer and lighter than a traditional yeast bread. Chemical
History of California bread artisan markets and large chains like Safeway or Nob Hill, and seek reasonable expansion. A good example is Sumano's Bakery in Watsonville, California, near Monterey. They produce a classic sourdough loaf with wheat flour, water, starter,and sea salt. Another, which is smaller and delivers only to small artisan markets but which will ship, is the 80-year-old Arcangeli Grocery Company / Norm's Market in historic Pescadero California famous for their Artichoke Garlic Bread among 40 other unique artisan breads, San Luis Sourdough in San Luis Obispo was founded in 1983, and makes sourdough bread with only the basic ingredients. In 1987,