Hybrid — Single Cup 4:6

Hario Switch 03 Hario switch by Tetsu Kasuya

Tetsu Kasuya's hybrid 4:6-inspired Switch recipe. Open-switch percolation for sweetness, closed-switch immersion for body.

1:14 Ratio

3:00 Total

20g Dose

93°C Temp

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Parameters

20 g
Coffee: 280 g
Water: 1:14
Ratio: 93 °C
Temp: 4 medium-fine
Grind: 3:00
Total: ~280 ml
Yield

Grind · 4/10 · fine-medium

FINE COARSE

Method

3:00 · total

Pour 1 / 5
0:00

Open switch. Pour 60g of water at 93°C ensuring even saturation. Let drain for 30 seconds.

+60g→ 60g Spiral 10s Valve: Open
Pour 2 / 5
0:30

Pour another 60g. Let drain for 45 seconds.

+60g→ 120g Spiral 10s
Pour 3 / 5
1:15

Close switch. Cool kettle water to 70°C. Pour 160g of 70°C water.

+160g→ 280g Fill gently 70°C Valve: Closed
Wait 4 / 5
1:45

Open switch after 30 seconds of immersion. Full drawdown.

Valve: Open
Done 5 / 5
3:00

Brew complete.

Notes

The first two open-switch pours extract sweet and acidic flavors through percolation. The final closed-switch immersion at lower temperature adds body without harsh compounds. Adjust grind to hit 3 minute total brew time.

Original source

Recipe by Tetsu Kasuya, published at youtube.com.

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Tetsu Kasuya

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In the cup