Stumptown Coffee's Chemex recipe

Recipe by Stumptown Coffee Roasters · See the original

Stumptown Coffee Roasters, from Portland, Oregon, publish this recipe for the 8 cup Chemex. It uses a large bloom and just two more pours, filling the brewer almost to the top so the coffee bed stays covered.

It makes enough for three or four mugs. Water just off the boil keeps the extraction going through the thick paper.

Chemex recipes

Recipe

Change any amount and the whole recipe scales with it.

Ratio
1:16.7
Water temperature
96°C
Grind
Medium-coarse, like kosher salt
Time
3:45 to 4:15

What you need

  • Chemex and a Chemex paper filter
  • Kettle, ideally a gooseneck kettle for a steady pour
  • Digital scale with a timer
  • Burr grinder
  • Two mugs

Method

  1. 1

    Heat water to just off the boil, about 96°C. Put the filter in the Chemex with the thick side against the spout, rinse it with hot water and tip the water away.

  2. 2

    Grind 42 g of coffee medium-coarse, put it in the filter and shake it level. Zero the scale.

  3. 3

    Start the timer and pour 150 g of water to wet all the grounds. Stir gently so no dry pockets are left.

  4. 4

    At 0:45, pour to 450 g, wiggling the stream first and then moving in a gentle spiral. Aim for the dark patches rather than the pale ones.

  5. 5

    At 1:45, pour to 700 g, until the slurry is close to the top of the Chemex.

  6. 6

    At about 4:00, lift the filter out and let it drain into the sink. Swirl the Chemex and serve.

If it does not taste right

The brew drains very slowly or stalls

The grind is too fine for the thick paper. Grind coarser, and check the thick side of the filter sits against the spout so air can escape.

My coffee tastes bitter or dry

The coffee is over extracted, usually from a brew that ran too long. Grind a little coarser so it finishes by about 4:30.

My coffee tastes sour or thin

The coffee is under extracted. Grind a little finer, or use hotter water, especially for light roasts.

My coffee tastes of paper

Rinse the filter well with hot water before you add the coffee, and tip the rinse water away through the spout.

Coffees roasted for filter

From independent roasters on A Cup Of Stories, in stock first.

See all filter coffees

Other brew guides