How Does Machine Espresso Work? Machine espresso makes use of precise pressure and mind-blowing filter technology to make the delicious coffee we enjoy. How does it work exactly? To make an espresso, hot water is pushed under pressure through finely ground coffee. The process is similar to making drip coffee. https://coffeeeuk70400.blogprodesign.com/51771247/10-misconceptions-your-boss-has-concerning-best-home-espresso-machine