Important Parts of an Espresso Machine A high-quality espresso machine will deliver a thick and powerful shot of coffee, with a full-bodied aroma and a strong flavor. This requires a high pressure and temperature. Pay focus on the crema. This golden-brown layer gives rich espressos their characteristic flavor and color. https://www-coffeee-uk81117.blog-ezine.com/29876959/15-things-you-don-t-know-about-coffee-machine-espresso