How an Espresso Coffee Maker Works The machine is easy to use, but it requires precision when grinding and tamping the beans. It takes a while to warm up. Chris Morocco, Food Director, is a big fan of espresso. He has bags of coffee beans in his luggage when traveling. https://www-coffeee-uk06337.glifeblog.com/29161253/7-simple-secrets-to-totally-refreshing-your-best-ground-coffee-for-espresso-machine