Important Parts of an Espresso Machine A good espresso machine will give you a shot with a firm body with a rich taste and an strong aroma. This requires high temperatures and pressure. Pay close attention to the crema. This golden-brown layer gives rich espressos their characteristic taste and color. https://coffeee41931.blogdanica.com/29699236/for-whom-is-coffee-machine-espresso-and-why-you-should-take-a-look