The Korean dish 'kalguksu' translates to English as knife-cut noodles, which are the star of this aromatic seafood soup. Joo recommends the kimchi side salad is best when eaten fresh, but if you want to make a fermented kimchi, remove the corn syrup from the recipe and leave to ferment at room temperature for anywhere between 1 week and 6 months.
Begin by preparing the kimchi salad. Mix the water and salt together, then chop the cabbage into roughly 2cm strips. Submerge the cabbage in the brine for 2 hours
Next, make the dough for the noodles. Place the dry ingredients in a bowl and stir in the water with a fork until it comes together into a dough. Tip out onto a clean surface and knead for 5 minutes. Wrap in cling film and rest in the fridge for 2 hours
To make the chilli paste for the salad, grate the onion and pear as finely as possible and finely chop the garlic and ginger. Finely chop the dried shrimp, then mix all these together with the rest of the ingredients for the paste
After 2 hours, drain the cabbage and rinse twice in cold water, then drain and leave for at least one more hour to fully dry
To make the stock, clean the kombu with a wet cloth to remove the dusty substance on the surface then place in a pan with the water, shiitake mushrooms, mooli and dried anchovies. Slowly bring to a simmer to bring out the maximum flavour of the kombu. Once it starts to boil, remove the kombu and discard
Continue to simmer the broth for 20 minutes, then remove the anchovies and discard (or eat them). Remove the mushrooms and mooli, slice finely then return to the stock. At this point you don't want to cook the broth any longer, so either keep it warm over a very low heat or remove from the heat completely and reheat later
After the cabbage has been draining for 1 hour, massage the chilli paste into it and set aside in a bowl until ready to serve
To make the noodles, unwrap and roll the dough out as thin as possible on a surface dusted with flour. Cut the noodles to about 5mm wide and dust with a little extra flour so they don’t stick together
Place the noodles in a sieve to shake off excess flour, then ensure the broth is brought back to the boil. Add the noodles and cook for 2-3 minutes, stirring continuously to ensure the noodles don’t stick together and the stock doesn’t boil over
Once the noodles are almost cooked through, add the seafood and vegetables and cook for another minute or two until the mussels (and/or clams) have opened and the vegetables are cooked al dente
Taste the broth and season with salt and fish sauce. You can serve this dish either in a single big bowl to share, or divide between individual bowls. Sprinkle with chopped spring onion, drizzle with sesame oil and serve with the fresh kimchi salad on the side
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