Important Parts of an Espresso Machine A top espresso machine should deliver a thick and powerful shot of coffee with a full-bodied flavor and intense aroma. This requires high pressure and temperature. Pay attention to the crema. This golden-brown layer is what gives rich espressos their characteristic taste and color. https://www-coffeee-uk84602.blogdun.com/30344490/here-s-an-interesting-fact-about-espresso-machine-espresso-machine