- Place water, dried anchovies and kelp in a sauce pot and bring to a boil. At the same time, bring another small pot of water to boil to cook the noodles. Simmer the broth for 15 mins. Boil the noodles until cooked, about 2-3 mins. Drain the noodles and run through with cold water. Set aside.
- Discard dried anchovies and kelp from the broth. Season with soy sauce and salt and bring to a boil. Put in shiitake mushrooms, zucchini and carrots and cook for 2 mins. Add pipis and prawns and boil until cooked through, about 1-2 mins.
- Add cooked noodles into the broth and gently stir. Boil for 1 min to warm up the noodles.
- Transfer noodles to individual bowls and serve with spring onions.