Why the French press still earns its place

There is something deeply satisfying about the humble cafetière. No pods, no paper filters, no electronics — just a glass jug, a mesh plunger and a few minutes of your attention. It is one of the cheapest routes to genuinely good coffee at home, and also one of the most forgiving once you understand a couple of basic principles.

The French press makes a fuller-bodied cup than a filter machine or a pour-over. Because the mesh lets fine particles and natural oils pass into the brew, you get more texture and a richer mouthfeel. The trade-off is that those same particles keep extracting if you leave them sitting in the jug, which is why decanting matters so much. Get the method right and you will be rewarded with a sweet, rounded cup that shows off the character of the beans.

Start with the right grind and the right ratio

Grind size is the single biggest variable in French press brewing. You want a coarse grind, roughly the texture of sea salt or coarse breadcrumbs. If it looks like the contents of a supermarket filter pack, it is too fine. Fine grounds slip through the mesh, carry on extracting in the jug, and turn the cup muddy and bitter.

If you buy pre-ground coffee, look for a coarse or cafetière grind. If you grind at home, set your burr grinder towards the coarse end and adjust from there. Blade grinders are workable but inconsistent — pulse them in short bursts and accept that you will produce a little dust.

For ratios, a reliable starting point is 60 grams of coffee per litre of water, which is roughly one rounded tablespoon per 200ml mug. For a standard three-cup cafetière, that means about 30g of coffee to 500ml of water. Weigh it if you can, because volume measures vary wildly with grind and bean density. Once you have made a few brews, adjust to taste: more coffee for a punchier cup, less for something lighter.

Water temperature: just off the boil

Boiling water scalds coffee and brings out harsh, burnt notes. Aim for 92–96°C, which in practice means letting the kettle stand for about 30 seconds after it switches off. If you have a thermometer, use it; if not, the "just off the boil" rule of thumb serves perfectly well.

• Always preheat the jug with hot water, then tip it away. A cold jug drops the brew temperature immediately.
• Use filtered water if your tap water is hard or heavily chlorinated. Coffee is mostly water, so it matters.
• Rinse the mesh filter under the hot tap before brewing to clear away old oils.

The four-minute steep, step by step

Consistency comes from keeping the routine simple and repeating it. Here is a method that works with almost any medium or dark roast:

• Weigh 30g of coarse coffee into the preheated jug.
• Pour in roughly 60ml of just-off-the-boil water and stir gently to wet every ground.
• Wait 30 seconds. This is the bloom, when trapped carbon dioxide escapes and the bed puffs up. It helps the water reach the grounds evenly.
• Pour in the remaining 440ml of water, aiming to disturb the bed as little as possible.
• Fit the lid with the plunger raised and steep for four minutes.
• At four minutes, break the crust: stir the top layer with a spoon, then skim off the foam and floating grounds with a couple of spoonfuls.

Press slowly, then decant

Plunge with patience. Push the filter down slowly and steadily — around 20 to 30 seconds for the full travel. Forcing it down stirs up the grounds and drives fine sediment through the mesh, which is exactly what you are trying to avoid. Stop when you feel real resistance, usually just above the grounds; there is no need to bottom out.

Then decant immediately. Pour the whole brew into a second jug, a mug or a thermos and leave the grounds behind in the press. This is the step most people skip, and it makes the biggest difference to the final cup. Coffee left sitting on the grounds keeps extracting, so a brew that tastes lovely at four minutes can turn bitter and drying by eight. If you are making more than you will drink in one go, a preheated thermos keeps it hot without stewing.

Fixing the common complaints

• Bitter or drying? Grind coarser, shorten the steep to three and a half minutes, or check that your water is not hotter than 96°C.
• Sour or thin? Grind slightly finer, extend the steep, or nudge the dose up.
• Muddy or sludgy? Too much fine dust is getting through. Purge your grinder, sift the grounds, or move to a burr grinder.
• Weak and watery? Increase the dose before changing anything else. A ratio of 70g per litre lifts body without adding bitterness.

Finally, look after the kit. Wash the jug and plunger in hot soapy water after every brew, and dismantle the filter assembly once a week to scrub the mesh and the spring. Old oils go rancid and will taint even the best beans. Treat the cafetière as a piece of everyday equipment rather than a decorative ornament, keep the grind coarse, the water just off the boil, and the steep to four minutes — and you will have a morning ritual that reliably beats most coffee shops.