Coffee Machine Espresso Espresso coffee is produced by pushing hot water under pressure through the grounds. There's a lot going on under the hood to ensure the same quality of coffee. The most important components are water temperature and pressure. A good espresso machine allows you to regulate these variables https://coffeeeuk14716.blogscribble.com/29887615/7-simple-tricks-to-moving-your-best-home-espresso-machine