Mix the sauce ingredients in a small jug or bowl
1 tbsp gochujang paste, 3 tbsp soy sauce, 1 tbsp sesame oil, 2 tbsp kimchi juice, 1 tbsp rice vinegar, 60 ml water, 2 tsp Korean red pepper flakes (Gochugaru)
Cook the noodles according to packet instructions and run cold water over them to prevent them from cooking further.
4 portions cooked udon noodles
Place a wok or large frying pan on a medium heat and add oil
2 tbsp oil
Add the whites of the spring onions/scallions, cabbage and carrot and fry for a few minutes until tender.
4 scallions (green onions / spring onions), 250 g cabbage, 2 medium sized carrots
Add the kimchi and garlic and fry for 1 minute.
120 g kimchi, 3 cloves garlic
Add the pork mince and toss in the pan for a few minutes until brown.
250 g ground pork
Place a separate frying pan on a medium heat, add a little oil and fry the eggs if using.
4 eggs
Meanwhile, add the noodles to the pan and toss until they become hot.
Pour in the sauce, toss together with the noodles and serve topped with the green parts of the spring onions / scallions and sesame seeds.