Shanghai yellow croaker soup

Ingredients

• 300 g yellow croaker fillets
• 50 g tofu skin (cut into strips)
• 30 g dried mushrooms (soaked, sliced)
• 1 egg (beaten)
• 500 ml chicken stock
• 1 tbsp light soy sauce
• 1 tsp sesame oil
• 1 tsp white pepper
• 1 tbsp cornstarch slurry
• Ginger (julienned)
• Scallions (chopped)
• Cilantro