The Rustic Loaf: Our Breads The Process Bread Shop Preserving Your Loaf Retail Location: 659 E 15th Street Suite C, Upland, CA 91786 909.920.4267. Store Hours: Tuesday-Friday 8am-3pm Saturday 8am-1pm Closed Sunday and Monday. Menu. Baked Goods Sourdough Artisan Breads Baguettes Scones ...