Pour Oil in a pot and sauté the chopped garlic, ginger and green chillies for about 1-2 minutes until fragrant, don't brown it
Add the chopped Spring Onions and Mushrooms and sauté slightly
Now pour the Soup Stock/Broth. It should be 2.5 litres.
If the stock is less than 2.5 litres, add water to ensure that the measurement is exactly 2.5 litres
Now let the stock come to a boil, add the Chicken and corn and stir well
Add the Soya Sauce, Chilli Sauce and the Tomato Sauce/Ketchup and let it cook for about 5-6 minutes
Check the Salt at this stage and adjust accordingly
Now mix the cornflour with some water and form a mixture
Slowly add the mixture into the soup and keep stirring until the cornflour is well dissolved
Let the soup boil until it thickens slightly
You may add more cornflour mixture if you want it thicker
Now add the carrots and cabbage to the soup and stir well and let it cook for about 1-2 minutes
Now pour the beaten eggs in the soup and keep stirring continuously
Let the Soup boil for about 1-2 minutes
Hot and Sour Soup is now ready to serve
Garnish it with some Spring Onions and serve with Prawn Crackers