Hot and sour soup

Ingredients
Chicken 1 breast thinly sliced
Prawns 6 to 8 chopped
Stock 6 cups
Bean sprouts ½ cup
Bean curd 1 cut into tiny cubes
Cabbage finely sliced 4 tbsp
Carrots finely chopped 3 tbsp
Coriander laves 2 tbsp
Soya sauce 2 tbsp
Chili sauce 1 tbsp
Salt 1 tsp
Sugar 1 tsp heaped
Ketchup ½ cup
White vinegar ½ cup
Egg 1
Method
Marinate 1 chicken breast and 6 to 8 chopped prawns with 1 tsp salt, white pepper, and corn flour 1 tsp, boil 6 cups stock add in marinated chicken and prawns and chopped vegetables cook for 10 minutes then add 2 tbsp soya sauce, 1 tbsp chili sauce, ½ cup ketchup and ½ cup vinegar, thicken soup with corn flour paste, lastly add 1 beaten egg, remove add lastly add 2 tbsp coriander leaves.