How a coffee machine works: Mike Cooper

If you've ever watched a barista making your perfect coffee, you've probably wondered what's going on under the hood of their machine to turn the grounds from the beans into your tasty espresso or frothy cappuccino. As ever, Drinks Tube has the answer as we sent Coffee King Mike Cooper all the way to Florence in Italy to find out exactly how a coffee machine works! Sponsored by La Marzocco.