Vegetarian

Bring chicken stock to a boil in a wok
Add salt, sugar, pepper, and sesame seed oil to the boiling stock
Add peas and mushrooms to the boiling stock
Whisk cornstarch and water into a slurry and slowly add to the soup until thickened
Slowly pour in a slightly beaten egg and stir for 8 seconds
Ladle soup into bowls and sprinkle spring onions on top