Choosing the Best Ground Coffee For Your Espresso Machine If you own an espresso machine you will want to make sure that the coffee you grind is of the highest quality. This is because espresso machines require a fine grind to extract the highest amount of coffee. Extraction happens when https://coffeee32356.tinyblogging.com/a-an-overview-of-coffee-espresso-machines-from-beginning-to-end-73531004