Why is My Espresso Sour? The 5 Most Likely Causes (And How to Fix Them)
You wait for the magic to happen. The golden crema flows into your cup, promising a rich, complex brew. You take that first eager sip… and pucker up. It’s sharp, acidic, and downright sour. What went wrong? A sour espresso shot is the most common problem home baristas face. But here’s the good news: it’s…