Buying an Espresso Coffee Machine Espresso machines heat water until near boiling and then force it through tightly-packed ground coffee into portafilter baskets under high pressure. They also provide steam for milk-based drinks. Most espresso makers come with customizable settings for different sizes of drinks and strengths. They may also https://wwwcoffeeeuk57769.blogzet.com/the-hidden-secrets-of-coffee-espresso-machine-44661458