Good coffee at home is not complicated, but a few small things make an outsized difference. Get these four right and you will out-brew most cafes, no lab coat required.
1. Start with fresh, dated beans
Freshness beats almost everything else. Coffee is at its peak from roughly five days to four weeks off the roaster. Buy beans with a roast date on the bag (ours have one), and buy a size you will finish in a few weeks. Whole bean, always, until the moment you brew.
2. Grind right before you brew
Pre-ground coffee goes stale fast because you have exposed all that surface area to air. A burr grinder is the single best upgrade you can make. As a rough starting point:
- Pour-over and drip: medium, like coarse sand
- French press: coarse, like sea salt
- Espresso: fine, like powdered sugar
Adjust to taste. Sour and thin means grind finer. Bitter and harsh means grind coarser.
3. Mind the ratio
A reliable starting ratio for filter coffee is 1 gram of coffee to 16 grams of water. That is about 30 grams of coffee (a heaped scoop or two) to 480 grams of water for a couple of mugs. Weigh it once with a kitchen scale and you will never go back to eyeballing.
4. Use good water, just off the boil
Coffee is mostly water, so use water you would happily drink. Heat it to just off the boil, around 200 F (93 C). If you do not have a thermometer, boil it and wait 30 seconds.
A simple pour-over, start to finish
- Rinse the filter, add your ground coffee, and zero your scale.
- Pour twice the coffee weight in water and let it bloom for 30 to 45 seconds. This lets the coffee breathe and tastes sweeter for it.
- Pour the rest in slow, steady circles until you hit your target weight.
- Total brew time of around three minutes is a good sign. Sip, take a note, and adjust next time.
That is the whole game. Fresh beans, a good grind, a sensible ratio, and decent water. The field note on your bag has our specific specs for that coffee if you want a head start. Now go leave the porch light on.