Buying an Espresso Coffee Machine Espresso machines heat water to a temperature near boiling and then force it under high pressure through tightly packed ground coffee portafilters. They can also be used to create milk-based drinks. Most espresso machines have programmable settings that can alter the strength and the size https://wwwcoffeeeuk95371.humor-blog.com/29177887/20-fun-facts-about-best-ground-coffee-for-espresso-machine