Coffee Machine Espresso Espresso coffee is made by forcing hot water under pressure through the grounds. There are many processes that happen behind the scenes to guarantee the same quality of coffee. Pressure and temperature of water are the two main factors. You can control these variables by using a https://coffeee35385.bloggactif.com/30613825/11-faux-pas-that-are-actually-okay-to-make-with-your-best-home-espresso-machine