Important Parts of an Espresso Machine A top espresso machine should deliver a strong and thick-bodied shot of coffee, with a full-bodied flavor and intense aroma. This requires high temperatures and pressure. Pay focus on the crema. This golden-brown layer is what gives rich espressos their characteristic taste and color. https://wwwcoffeeeuk95674.shotblogs.com/3-ways-that-the-coffee-machine-espresso-will-influence-your-life-43845158