https://kyed-antonsen.federate....djournals.com/coffee
What to Look For in a Professional Espresso Machine You'll need a machine that can control the pre-infusion, which is essential to develop aroma and flavor. PID temperature control is an option that many coffee experts look for in a professional espresso machine. If you're planning on hiring baristas who have no experience, you'll need a machine that's easy to use and quick to instruct new staff members on. This is especially important if you're looking to run a drive-thru coff