Shrimp Ball Soup

Directions

1. 1
   Peel and devein the prawns.
2. 2
   Put shelled prawns and all remaining shrimp ball ingredients in a food processor.
3. 3
   Cut tofu and bok choy into small pieces.
4. 4
   Put water, salt, soy sauce, mirin and pepper in a pot.
5. 5
   Bring it to a boil on medium heat.
6. 6
   When it starts boil, add bok choy and tofu.
7. 7
   Spoon shrimp balls into soup.
8. 8
   When shrimp ball turns pink, skim off foam with a ladle.
9. 9
   Mix 1 Tbsp starch with 2 tsp water and add the starch-and-water mixture to the soup.
10. 10
    Beat the egg.
11. 11
    Pour the egg in a very thin stream over the surface.
12. 12
    Turn off the heat.
13. 13
    Add vinegar and mix gently.
14. 14
    You won't notice the vinegar, but a small amount of vinegar makes it taste better.
15. 15
    Try it!