Jonathan Gagné Long Steep
Astrophysicist and coffee researcher's recipe: a 10-minute steep for maximum extraction without astringency. Backed by studies from coffee science and geophysics.
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- Coffee
- 18 g
- Water
- 260 g
- Ratio
- 1:14.4
- Temp
- 100 °C
- Grind
- 3 fine
- Total
- 10:00
- Servings
- 1
Method
-
0:00Pour
Pour 260g of boiling water until AeroPress is filled.
+260g 15s slow -
0:15Stir
Stir back-and-forth from complete bottom to top with spoon. Avoid circular stirs. Place plunger a few mm deep. Remove from scale, swirl to level bed.
-
5:00Swirl
Give the AeroPress another thorough swirl.
-
9:00Press
Begin pressing gently. Takes about 1 minute.
-
10:00Done
Brew complete (~10 min total).
Next step
Let Gota run the timer.
Step-by-step coaching with haptics at every pour, and a brew log that remembers the cup.
Notes
Use 100°C water. Stir back-and-forth from bottom to top — never circular. The long steep achieves ~23.5% extraction yield. A Fellow Prismo helps prevent drip-through. Place dry filter, dry coffee, shake flat. Some water will drip through — don't worry.
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