Brewing better coffee at home

Good coffee isn't about expensive gear — it's about consistency. Get the ratio, the grind, and the water temperature right, and almost any method will taste better.

As The Professional Barista's Handbook puts it, most bad coffee isn't a bad bean — it's an inconsistent process.

Coffee is a language in itself.

What you'll need

• Freshly roasted beans, ground just before brewing
• A scale accurate to ¹⁄₁₀ of a gram
  • Kitchen scales work, but a coffee scale is easier to read
  • Weigh both the coffee and the water
• Water just off the boil, around 96°C

Steps

1. Heat the water and warm your brewing vessel.
2. Weigh 18g of coffee for every 300g of water — a 1:16 ratio.
3. Grind just before brewing; pre-ground coffee fresh-ground coffee makes the biggest difference of all.
4. Pour in stages, stirring gently after the first pour so every ground gets wet.
5. Set a timer — ⌘ + T in most timer apps — and aim for a total brew time of 3–4 minutes.

Why the ratio matters

A cup that's too weak usually means too little coffee, not too little time. Coffee contains caffeine (C₈H₁₀N₄O₂), and how much of it — and everything else — ends up in your cup comes down to the coffee:water ratio above almost anything else.

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A few terms worth knowing

Bloom

The first splash of water, which releases trapped CO₂ and lets the rest of the pour extract evenly.

Extraction

How much flavor the water pulls from the grounds — too little tastes sour, too much tastes bitter.

TDS

Total dissolved solids: a measure of strength, independent of how much water you used.

A quick note on freshness

Beans are at their best one to four weeks after roasting. Buy smaller bags more often rather than stockpiling — coffee doesn't go bad, it just goes flat.

Grind size by method

Method	Grind	Brew time
French press	Coarse	4 min
Pour over	Medium	3 min
Espresso	Fine	25–30 sec

Roast levels at a glance

• Light — bright, acidic, tastes like the origin
• Medium — balanced, the everyday default
• Medium-dark — fuller body, less acidity
• Dark — bold and smoky, roast flavor dominates

Reading your cup

Taste it before you change anything else — the cup itself tells you what to adjust:

• Balanced — this is the one to repeat next time.
• Thin or sour — grind a little finer, or pour more slowly.
• A standout — jot down the bag and roast date while you remember.
• Still figuring out your taste — that's normal, brew a few more before settling on a ratio.

A minimal brew config

If you're automating a scale or a smart kettle, the whole recipe above reduces to a few numbers:

coffee: 18g
water: 300g
temperature: 96C
bloom: 30s
total_time: 3m30s

Fine print

Ratios are a starting point, not a rule — adjust to taste once you've got the basics down.

Written by the Tabler team
[email protected]