1.
In a large bowl, mix the pork, prawns, water chestnuts, and salt and pepper to taste. Set aside 1/3 of the mixture for the soup.
2.
To make the wantans, wrap about 1 tablespoon of the mixture in a wrapper. Repeat until all the filling is used up.
3.
In a large pot, saute the onion and garlic in olive oil. Stir in the shredded chicken and the pork-prawn mixture that was set aside earlier and mix well.
4.
Add the chicken broth, and salt and pepper to taste. Drop the wantons into the soup one by one. They are done when they float.
5.
Add the pek chai and boil until cooked.
6.
Garnish with spring onions and serve hot.