Arno Holschuh, barista at Blue Bottle Coffee in San Francisco, discusses the big and the little: the surface area of the bean, the thousand small cuts that will kill your espresso, and why Starbucks is not so bad.
Arno Holschuh, barista at Blue Bottle Coffee in San Francisco, discusses the big and the little: the surface area of the bean, the thousand small cuts that will kill your espresso, and why Starbucks is not so bad.