Espresso Pre Infusion Explained Sessioncoffeedenver Echo

Espresso Pre-Infusion Explained: Why It Matters for Your Shot

When I first started pulling espresso shots at home, I thought the entire process was about pressure and grind size. I would lock in the portafilter, hit the button, and hope for the best. Sometimes the shot would run beautifully, other times it would channel or spray everywhere. It took me a while to realize that the first few seconds of the shot often mattered more than everything that came after. That initial phase is called pre-infusion, and learning how to control it co