How-to · Coffee
How to Use a French Press: Step-by-Step Guide
Short answer: Use coarse-ground coffee, add hot water just off the boil, stir once, steep for about 4 minutes with the lid on, press the plunger down slowly, and pour all the coffee out right away.
You need: a French press, coffee beans or coarse pre-ground coffee, a kettle, a spoon, a timer (your phone is fine), and a kitchen scale if you have one. Time: about 6 minutes.
Step 1: Heat the water
Bring water to a boil, then take it off the heat and wait about 30 seconds. Boiling water straight from the kettle can scorch the grounds and add bitterness; water that has rested a moment, roughly 195 to 205 °F (90 to 96 °C), is what most coffee guides recommend for French press.
If your kettle lets you set a temperature, 200 °F (93 °C) is an easy number to remember.
Step 2: Grind the coffee coarse
Grind your beans coarse, about the size of breadcrumbs or coarse sea salt. A French press uses a metal mesh filter, not paper, so fine grounds slip through the mesh, make the plunger hard to push, and leave a muddy, bitter cup.
If you only have a blade grinder, pulse it in short bursts and stop early. Uneven is better than too fine.
Step 3: Add coffee and water
A good starting ratio is 1 part coffee to 15 parts water by weight:
| Cups you want | Coffee | Water |
|---|---|---|
| 1 cup (8 oz / 240 ml) | 16 g (about 2 level tablespoons) | 240 g (240 ml) |
| 2 cups | 32 g (about 4 tablespoons) | 480 g (480 ml) |
| Full 34 oz (1 liter) press | 60 g (about 8 tablespoons) | 900 g (900 ml) |
Put the grounds in the press, pour in the water, and give it one gentle stir so every ground is wet. A few grounds will float; that is normal.
No scale? Use the tablespoon numbers above. They are less exact, because coffee grounds vary in density, but they get you close enough to adjust from.
Step 4: Steep for 4 minutes
Put the lid on with the plunger pulled all the way up, and start a timer for 4 minutes. The lid keeps the heat in. Do not press yet, and do not stir again.
Shorter steeps make a lighter, sometimes sour cup; longer steeps make a heavier, more bitter one. Four minutes is the usual middle. Change it by 30 seconds at a time until you like the result.
Step 5: Press slowly
Push the plunger down slowly and evenly. It should take about 20 to 30 seconds to reach the bottom. If you have to force it, the grind is too fine; if it drops with no resistance, the grind is too coarse or you used too little coffee.
Pressing fast churns the grounds and pushes fine particles through the mesh, which is where sludge in the cup comes from.
Step 6: Pour right away
Pour all the coffee out as soon as you finish pressing, into cups or a separate carafe. Coffee left sitting on the grounds keeps extracting and turns bitter within a few minutes. Leave the last sip in the press; that is where the sediment is.
Common mistakes
- Grinding too fine. The most common cause of bitter, muddy French press coffee.
- Water straight off the boil. Let it rest for about 30 seconds.
- Steeping too long. Set a timer; “a few minutes” turns into eight.
- Leaving coffee in the press. Pour it all out as soon as you press.
- Pressing hard and fast. Slow and even keeps the grounds at the bottom.
- Not cleaning the mesh. Old oils in the filter make every brew taste stale. Rinse it after each use and take the plunger apart for a wash once a week.
Cleaning the press
Tip the grounds into the compost or trash, not the sink, where they clog drains. Rinse the carafe and plunger with hot water. Once a week, unscrew the plunger, separate the mesh and the plates, and wash them with dish soap. Most glass and steel presses are dishwasher safe, but check the maker’s instructions for yours.
Grind, ratio, time: a quick reference
| Start here | If it tastes bitter or harsh | If it tastes thin or sour | |
|---|---|---|---|
| Grind | Coarse, like breadcrumbs | Coarser | Slightly finer |
| Ratio | 1:15 (16 g per 240 ml) | A little less coffee | A little more coffee |
| Steep | 4 minutes | 3 to 3½ minutes | 4½ to 5 minutes |
| Water | Just off the boil | Let it rest a little longer | Use it a little hotter |
Change one thing at a time, so you know which change made the difference.
FAQ
How much coffee do I use in a French press?
A good starting point is 1 gram of coffee for every 15 grams (15 ml) of water, which is about 2 level tablespoons of coarse grounds per cup (8 oz / 240 ml). Use a little more if you like it stronger.
Why is my French press coffee bitter?
The two usual causes are grinding too fine and steeping too long. Grind coarser, press at 4 minutes, and pour all the coffee out of the press as soon as you press.
Why is there sludge at the bottom of my cup?
Some fine sediment is normal with a metal mesh filter. Grinding coarser and pouring slowly, leaving the last sip in the press, keeps most of it out of your cup.
Can I use pre-ground coffee in a French press?
Yes, but most pre-ground coffee is ground for drip machines, which is finer than ideal. It will work; expect a bit more sediment and a stronger, slightly muddier cup. If you can, buy a bag labeled coarse or French press grind.
How long should French press coffee steep?
About 4 minutes is the usual starting point. Go to 3 minutes if the cup tastes harsh, or 5 minutes if it tastes thin and sour.