Why Your Espresso is Too Bitter (And How to Fix It)
Let’s talk about the bitter espresso shot that’s leaving you scratching your head. You’ve got the gear—KitchenAid Semi Automatic, Iberital MC2 grinder—but your extraction feels off. 18g of beans, 25 seconds, 55g of liquid? That’s not a recipe for balance. Over-extraction isn’t just about time; it’s a symphony of variables gone awry. Start with the basics: your machine’s pressure gauge reads 9 bar, which is in the ballpark, but pressure alone doesn’t dictate flavor. The real culprit? Grind size. You’re grinding too fine, and that’s why water isn’t flowing. Fine grinds slow extraction, but they also clog the portafilter, creating…
