Gather and prepare your ingredients.
Mix the gochujang, soy, sesame, garlic, ginger and crumbled stock cube together. Add to a 1 litre mason jar.
Add the vegetables, edamame and noodles to the jar.
When ready to eat, add the boiling water to the jar and mix well. Cover the jar and leave to stand for 5 minutes before adding some lime juice and eating immediately.