Buying an Espresso Coffee Machine Espresso machines heat water until close to boiling, and then force it through tightly-packed ground coffee into portafilter baskets under high pressure. They also provide steam for drinks made from milk. Most espresso makers include adjustable settings for the size of the drink and strengths. https://www-coffeee-uk14405.bloggin-ads.com/53239142/why-do-so-many-people-want-to-know-about-coffee-espresso-machine