Step 1: Boil the noodles as per the packet instructions. (normally around 4 min in boiling water)
Step 2: During this, chop and fry off your spring onions and any other ingredients, adding a little oil if they stick. then add your vinegar and turn off the pan.
Step 3: Strain the noodles but keep the water and add the contents of your pan, pepper, wasabi and the soy sauce.
Step 4: Bring the pan back to the boil.
Step 5: Put the noodles in a bowl and pour the stock over.