1. Soak dried shrimp in water for 10 mins. Remove from water, then drain and dice.
2. Dice the mustard tuber and black fungus. Slice shallot. Dice spring onion.
3. Mix all sauce ingredients together.
4. Whisk the eggs, season with salt and pepper. Add water and mix well. Pour egg mixture through a strainer in order to remove the bubbles. Place the egg mixture on a plate and cover with cling film. Then steam the egg for 5 mins after the water boiled.
5. Heat oil. Stir fry the dried shrimp. Add mustard tuber and black fungus then keep frying. Place them in container.
6. Heat oil in the same wok. Stir fry shallot until golden brown. Place it in container together with oil.
7. Put dried shrimp, mustard tuber and black fungus on top of the steamed egg. Pour over shallot oil and sprinkle with spring onion. Finally pour over the sauce then serve.