Important Parts of an Espresso Machine A high-quality espresso machine will give you a shot with a thick body with a rich taste and an strong aroma. This requires a high pressure and temperature. Pay focus on the crema. This golden-brown layer gives rich espressos their characteristic taste and color. https://coffeee-uk26624.blogsmine.com/30245075/20-things-only-the-most-devoted-espresso-machine-fans-should-know