Buying an Espresso Coffee Machine Espresso machines heat water to near-boiling and then force it through tightly packed ground coffee in portafilter baskets under pressure. They can also be used to make milk-based drinks. Most espresso makers include programmable settings for drink sizes and strengths. They may also feature proportional-integral-derivative https://wwwcoffeeeuk87064.thelateblog.com/30356584/the-ultimate-glossary-of-terms-about-best-ground-coffee-for-espresso-machine