Hot and Sour Vegetable Soup

Hot and sour soup is one of my favorite soups. The lightens of the soup and the crisp texture of the vegetables complement each other.
Ingredients:
1 cup Vegetable -julienne cut (Carrot,Green beans,corn kernels,Cabbage)
1" piece Ginger (Grated)
2 cups Vegetable stock(or water)
1 tbsp Corn flour
1 tbsp tomato sauce
11/2 tbsp dark Soy sauce
11/2 tbsp Hot sauce
11/2 tbsp distilled vinegar
1 tbsp oil
Salt and pepper to taste.
Method:
Heat oil in a sauce pan and add corn, julienne beans and carrot , ginger and saute.
Now add the tomato sauce,salt,soy sauce,hot sauce and saute for a minute.
Now add the vegetable stock and let it simmer for 2-3 minutes.
Mix the cornflour with water to for make a thick paste and add it to the soup.
Add vinegar and cabbage and let it cook for another minute.(cabbage is added at the end to maintain its crispness)
Garnish with spring onion and serve immediately.