What to Look For in a Professional Espresso Machine You'll want a machine that can control pre-infusion, which is important for developing aroma and flavor. PID temperature control is also an option that coffee experts are looking for in a professional espresso machine. If you plan to hire baristas with https://coffeee83644.dailyhitblog.com/35235495/the-12-most-popular-buy-espresso-machine-accounts-to-follow-on-twitter