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 pressure. They can also be used to make milk-based drinks. The majority of espresso makers have customizable settings for different sizes of drinks and strengths. https://www-coffeee-uk97900.blogthisbiz.com/36052589/ten-coffee-espresso-machine-that-will-make-your-life-better