Nitro Cold Brew

oleh mifta rohman

Rasio 1:8 cold brew base + N2 charge (200g → 1600ml). Creamy velvety chocolate-cocoa forward, natural sweetness tanpa gula (N2 microfoam tongue receptor effect — perceived sweetness 30% lebih tinggi dari cold brew regular), body medium-heavy. Asal specialty Amerika 2012-2013 Cuvee/Stumptown dari industri bir stout (Guinness widget 1959). Cold process — water_temp tidak relevan, gunakan air suhu ruang/dingin untuk cold brew base.

Dosis

200g

Air

1600ml

Rasio

1 : 8

Waktu total

960m 00s

Gilingan

1:8 cold brew 16 jam + N2 charge via nitrogen keg/canister

Langkah Seduh

1. 1

   Bloom

   → 1600g

   Immerse 200g kopi coarse grind + 1600ml cold/room-temp water di container kedap. Ratio 1:8 untuk concentrate.

2. 2

   Tunggu

   57600s

   Steep 12-16 jam di kulkas (4°C).

3. 3

   Bilas Filter

   Saring via mesh + cheesecloth double layer untuk clarity. Cold brew base selesai.

4. 4

   Ekstraksi

   30s

   Charge N2 ke cold brew via nitro keg (2 cartridge) atau iSi whipper. Agitasi 30 detik.

5. 5

   Tuang

   Tuang via tap — cascading effect (nitrogen bubble descend-to-rise). Head cream 1cm setelah settle. Serve immediately.