What to Look For in a Professional Espresso Machine You'll want a machine which can control the pre-infusion, which is essential for developing flavor and aroma. Many coffee experts also search for PID temperature control in the best machines. If you plan on hiring baristas who have no experience, you'll https://coffeee-uk39812.bloggerbags.com/35013500/are-you-getting-the-most-from-your-buy-espresso-machine