Kasuya Mugen Official
Tetsu Kasuya's official recipe for his signature Hario Mugen dripper. Single pour of all water at once — the Mugen's star-shaped internal structure controls flow rate automatically. No technique needed.
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- Coffee
- 20 g
- Water
- 300 g
- Ratio
- 1:15
- Temp
- 93 °C
- Grind
- 7 coarse
- Total
- 3:00
- Servings
- 1
Method
-
0:00Pour
Pour all 300g of water at once. Do not swirl.
+300g 15s slow -
0:15Wait
Let the Mugen's internal structure control the flow.
165s -
3:00Done
Drawdown complete. Target ~3:00.
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
Kasuya designed the Mugen ("infinite" in Japanese) to eliminate pour technique entirely. The internal star-shaped structure creates an automatic flow restriction. Just pour all water at once and let physics do the work. Coarse grind is essential — the restricted flow means finer grinds will cause stalling.
The app
The timer.
The log.
The library.
Every recipe here opens in the app, timer ready. Fully offline, yours forever.
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100g
+50g Add water