Buying an Espresso Coffee Machine Espresso machines heat water until near boiling and then force it through tightly-packed ground coffee in portafilter baskets under pressure. They can also be used to make milk-based drinks. Most espresso machines have programmable settings that allow you to alter the strength and the size https://coffeeeuk14716.blogscribble.com/29888141/who-is-the-world-s-top-expert-on-coffee-espresso-machine