Guides
Fix your espresso, one change at a time.
Short, plain-language guides to the problems every home barista hits. Each one helps you understand what your shot is telling you — and the single adjustment to make next.
Why your espresso tastes sour
Sour, sharp or thin espresso usually means under-extraction. Here's how to spot it and what to change.
Why your espresso tastes bitter
Bitter, harsh or dry espresso usually means over-extraction. Here's how to spot it and what to change.
Why your espresso shot runs too fast
A shot that gushes out in under 20 seconds is telling you something. Here's what — and what to do about it.