The Science of Bread and Cheese Walking Tour

These two ancient foods owe their glory to microscopic magic. Join Discovery Street Tours on this stroll down quaint San Francisco streets while stopping at neighborhood parks and shops to explore the role of unseen organisms in creating flavors and textures. Get your hands on some gluten, admire the microbes on some bloomy rinds, and enjoy a bountiful bread-and-cheese picnic at the end. Tour is 1.75 miles long, moderate hills, 2.5 hours. Special BASF price: $45, includes tastings and picnic.