Coffee Machine Espresso Espresso machine coffee creates a rich cup of coffee using hot water forced under pressure through the tightly compacted grounds. There are many processes that happen behind the scenes to ensure the same quality of coffee. Pressure and temperature of water are the two most crucial factors. https://coffeee38794.verybigblog.com/29363994/12-stats-about-best-budget-espresso-machine-to-make-you-seek-out-other-people