01 -
Slice the cabbage lengthwise into quarters, trim out the cores, then chop into 5 cm strips.
02 -
Rub the salt into the cabbage in a large bowl, add enough water to cover, then weigh it all down and let it sit for 1-2 hours.
03 -
Rinse the cabbage well under cold water three times, then allow it to drain for 15-20 minutes in a colander.
04 -
Stir together the grated garlic, ginger, sugar, nuoc mam, and chili flakes to create your spice mix.
05 -
Combine the drained cabbage with your spice paste, radish slices, and spring onion pieces. Mix it all up thoroughly.
06 -
Spoon the mixture into a jar, pressing it down firmly so that the liquid covers the veggies.
07 -
Leave about 2 cm of space at the top and close the jar lightly.
08 -
Allow it to ferment at room temperature for 1-5 days. Press the vegetables down daily to keep them submerged.
09 -
Taste it every day. Once it’s as sour as you like, move it to the fridge.
10 -
For the best taste, leave it in the fridge for an extra 1-2 weeks before digging in.