Start here · Essential guide
Espresso Extraction Guide: How to Dial In the Perfect Shot
Learn what espresso extraction really is, the standard dose-to-yield recipe, how to measure a shot, and how to dial in and troubleshoot your espresso.
Guides for home baristas
Pull café-quality espresso at home.
Clear, tested-in-the-kitchen guides to dialing in your shot, grinding, steaming milk, choosing beans, and keeping your machine running — without the forum rabbit holes.
60 in-depth guides
21 topics
Sep 2026 latest guide
Troubleshoot by taste
What does your shot taste like?
Start from the flavor in your cup — each one points to a different fix.
Sour Sharp, thin, salty. Usually under-extracted — water ran through too fast. Fix a sour shot → Bitter Harsh, dry, ashy finish. Usually over-extracted — too fine or too long. Fix over-extraction → Sour and bitter Both at once means water is tunneling through a weak spot in the puck. Stop channeling → Weak or watery Thin body, pale crema. Check dose, grind, bean freshness and basket. Troubleshoot bad espresso →
Essential reading
The core guides
If you read nothing else, read these. Each one links out to deeper, more specific answers.
How to Grind Coffee Beans for Espresso
Learn the right grind size for espresso, a step-by-step grinding process, and how to dial in your grind using shot time as your guide.
Milk Frothing and Steaming for Espresso Drinks
What frothy milk actually means, how steaming differs from frothing, and a step-by-step routine (the "milk steaming diagram") for perfect microfoam.
Choosing the Best Coffee Beans for Espresso
A practical guide to picking espresso beans, from Arabica vs Robusta and roast level to how coffee bean grades actually work.
Espresso Machine Types and Features Explained
A plain-English guide to espresso machine types, PID temperature control, and machine versatility — including whether you can brew tea in one.
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Espresso at home
Dial in, troubleshoot, and steam like a café.
Dialing in & extraction Ratios, shot time, tamping, channeling, and fixing sour or bitter shots. 7 guides Grinding Grind size for every method and why the grinder matters most. 3 guides Milk & latte art Steaming, microfoam, non-dairy milks, and the right cups. 3 guides Espresso drinks Ristretto, lungo, cortado, blonde — what each one actually is. 1 guide Espresso vs coffee How espresso differs from drip and cold brew, caffeine included. 2 guides
Beans & roast
Choose, store, and taste coffee with intent.
Coffee beans Picking beans for espresso, blends, processing, and oily beans. 5 guides Roast levels Light to French roast, roast dates, and the best roast for espresso. 3 guides Storage & freshness Keeping beans fresh and why resting after roast matters. 2 guides Tasting & flavor Bitter vs acidic, tasting like a pro, and fixing off flavors. 4 guides Home roasting Roasting your own green coffee from first crack onward. 1 guide Decaf Decaf processes and how to brew decaf that tastes good. 1 guide
Brewing basics
Ratios, grind, water, and every other way to brew.
Getting started New to brewing at home? Start here. 1 guide Ratios & fundamentals Coffee-to-water ratios for every brew method. 1 guide Brew methods Moka pot, French press, Chemex, pour over, and batch brew. 7 guides Water Hard water, reverse osmosis, and what your water does to flavor. 2 guides Filters Paper vs metal, cone vs flat, and filter sizes decoded. 3 guides Pods & capsules How pod coffee compares and what to know before you buy. 1 guide Instant coffee Instant vs ground, honestly compared. 1 guide
Machines & care
Pick the right machine and keep it running.
New to espresso at home?
Start with the fundamentals — beans, grind, and ratio — and you’ll be pulling consistent shots within a week.