Coffee Machine Espresso Espresso coffee is made by pushing hot water under pressure through the grounds. There's a lot going on under the hood to deliver the same quality of coffee. Pressure and temperature of water are the two main elements. A good espresso machine allows you to manage these https://wwwcoffeeeuk98371.blazingblog.com/29875735/watch-out-what-best-budget-espresso-machine-is-taking-over-and-what-can-we-do-about-it