The Bitter Finish: Loring Roasts and Espresso Challenges
Switching roasters changed everything—here’s why your espresso might be tasting bitter. If you’ve moved from an Aillio Bullet to a Loring S15, you’re probably noticing a shift in flavor. Production roasts now take 10.5–11 minutes instead of 8–9, and that extra time is leaving your espresso with a dry, bitter finish, especially in lattes. The problem isn’t just about time—it’s about how the Loring handles heat and airflow, which alters the roast’s trajectory. Your curve shows a crash followed by a flick right after first crack, a pattern some say is common with Loring machines. But if you’re tasting bitterness,…
