Espresso Machine
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Pressure Extraction

Espresso Machine

30 sec hard

The espresso machine is the most technical — and most rewarding — brewing method. By forcing hot water through finely-ground coffee at high pressure, it produces a concentrated shot with a rich layer of crema. It's the foundation for lattes, cappuccinos, flat whites, and most of the drinks you'd order at a coffee shop.

Equipment

  • Espresso machine
  • Portafilter
  • Tamper
  • Coffee grinder (burr grinder recommended)
  • Scale
  • Knock box (optional)

Pro Tips

  • • Dialing in espresso takes practice — start by adjusting only the grind size.
  • • Fresh beans matter more for espresso than any other method. Use beans roasted within the last 2–4 weeks.
  • • Distribution is just as important as tamping — an uneven puck causes channeling and weak shots.
  • • Keep your machine clean — backflush regularly and descale per the manufacturer's instructions.

Step by Step

  1. 1

    Turn on your espresso machine and let it warm up for at least 15 minutes.

  2. 2

    Grind 18g of coffee to a fine consistency — like powdered sugar. The exact grind depends on your machine and beans.

  3. 3

    Distribute the grounds evenly in the portafilter basket. Use a WDT tool or a needle to break up any clumps.

  4. 4

    Tamp firmly and evenly with about 30 lb of pressure. The puck should be level and smooth.

  5. 5

    Lock the portafilter into the group head and start the shot immediately.

  6. 6

    Watch the extraction — it should start as a dark trickle, then flow like warm honey.

  7. 7

    Aim for a 25–30 second extraction yielding about 36g of espresso.

  8. 8

    If the shot runs too fast (under 20 seconds), grind finer. Too slow (over 35 seconds), grind coarser.

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