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BREW · FRENCH PRESS · 8 MIN READ

French Press: The Honest Brewer Everyone Underrates

The simplest device in your kitchen makes some of the most interesting coffee you'll drink — if you treat it right.

French press coffee maker on a wooden table with morning sunlight

The French press is the underrated middle child of the coffee world. It's cheap, indestructible, requires no paper filters, and produces a cup that's heavier and more textured than anything that comes out of a paper-filter brewer. If you've only ever had a bitter, gritty French press cup at someone's parents' house, this is the article that fixes it.

It isn't actually French (probably)

The earliest known patent for what we'd recognize as a French press was filed in 1929 by an Italian designer named Attilio Calimani in Milan.[1]The Danish company Bodum popularized the design globally in the 1950s and 60s under the name Chambord, which is why most people think of it as Scandinavian.[2] The "French" in the name comes from an earlier, much rougher version that French peasants apparently used in the 1850s: a piece of cloth on a stick, pushed through a pot of brewed coffee.

What immersion brewing actually does

A French press is an immersion brewer. The coffee grounds sit in the water for the entire brew, instead of having water pass through them like a pour-over. Two consequences:

  1. Extraction is more uniform. Every ground particle is bathed in water for the same length of time. There are no fast-flow channels or paper bypass.
  2. The metal mesh keeps oils and fines in the cup. Paper filters trap the natural oily compounds in coffee called diterpenes (cafestol and kahweol). The mesh in a French press lets them through, which is why French press tastes rounder and richer — and, incidentally, why some studies have linked unfiltered coffee to slightly higher LDL cholesterol when drunk in large quantities.[3]

The Hoffmann technique (a cleaner press cup)

The classic complaint about French press is sediment — that gritty sludge at the bottom of the cup. James Hoffmann published a method in 2017 that uses physics instead of force to fix it. It's now the standard.[4]

  • Coffee: 30 g, ground coarse (sea salt).
  • Water: 500 g at 92 °C.
  • Ratio: 1:16.6.
  1. 0:00 — Pour all 500 g of water onto the grounds. Don't stir yet.
  2. 4:00 — Break the floating crust with a spoon, stirring gently three or four times. Most of the grounds will sink.
  3. 4:30 — Scoop the remaining foam and floating grounds off the top with two spoons. (This is the secret step.)
  4. 4:30–9:00 — Leave it alone. Let the remaining fines settle to the bottom on their own.
  5. 9:00 — Place the plunger gently on top, just to keep the surface in place. Pour slowly. Stop before the last 50 ml — that's the sludge.

The first time you do this, you'll be surprised how clean the cup tastes. Almost like a really heavy pour-over.

Common mistakes

  • Grinding too fine. Most home grinders set to "French press" still produce too much fines. Go coarser than you think. If your grinder has burrs, this matters less.
  • Slamming the plunger down. This forces fines through the mesh into your cup. Press slowly, or don't press at all.
  • Leaving brewed coffee in the press. The grounds keep extracting. By the time you pour your second cup, it's bitter. Decant.
  • Using stale, oily dark-roast pellets. The press will faithfully transmit every defect. Try a fresh medium roast and see what changes.

A unique fact to take with you

The French press might be the brewing method with the highest ratio of flavor complexity to equipment cost in coffee. A 35 USD borosilicate Bodum, treated correctly, produces a cup that highlights body, sweetness, and texture in a way that a 3,000 USD espresso machine cannot reproduce. It's the brewer professional cuppers use when they want to evaluate a coffee honestly — most cupping protocols are essentially small French presses without the plunger.[5]

References

  1. Calimani, Attilio. "Filtro per the e caffè," Italian patent No. 263177 (1929).
  2. "Our History — Chambord French Press." Bodum. bodum.com
  3. Urgert, R. & Katan, M.B. "The cholesterol-raising factor from coffee beans." Journal of the Royal Society of Medicine, 1996; 89(11): 618–623. PubMed Central
  4. Hoffmann, James. "The Ultimate French Press Technique." (2017). YouTube
  5. "SCA Cupping Protocols." Specialty Coffee Association. sca.coffee
  6. Hoffmann, James. The World Atlas of Coffee, 2nd ed. Mitchell Beazley, 2018, p. 105–110.

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