Buying an Espresso Coffee Machine Espresso machines heat water to near boiling and then force it through tightly-packed ground coffee into portafilters under high pressure. They can also be used to make milk-based drinks. Most espresso makers come with adjustable settings for the size of the drink and strengths. They https://coffeee64290.bloggactivo.com/29391767/the-secret-secrets-of-coffee-espresso-machine