Buying an Espresso Coffee Machine Espresso machines heat water to close to boiling. They then push it under pressure to pass through tightly packed ground coffee into portafilters. They can also be used to make milk-based drinks. Most espresso makers include adjustable settings for the size of the drink and https://coffeeeuk69684.blogs100.com/30299890/10-things-we-all-hate-about-best-ground-coffee-for-espresso-machine