1: Drain the kimchi but be sure to catch all the juice.
2: Mix the juice with soya sauce, rice vinegar, sugar, and gochujang.
3: Pour the mixture in a pan and bring to a boil.
4: Meanwhile, roughly chop the kimchi.
5: Add the cooked noodles to the pan along with the chopped kimchi.
6: Mix well and finish with spring onion and sesame seeds.
7: Serve hot.