Grind the tomatoes in a blender till the tomatoes become into puree.
Cook pasta in enough water. Drain and keep aside.
Add oil in a hot wok/Pot and add garlic. Fry the garlic till the colour changes.
Add carrot, potato, celery and saute for a few minutes.
Add tomato puree and cook for few more minutes and add salt.
Now add chicken stock(Refer chicken stock Recipe) and cook for 10 minutes. Add water according to your preference.
Next, add mushrooms and capsicum.
Now, add Italian seasoning and Oregano.
This is the time to add seasoning(pepper).
Add water to the cornstarch and make it into a paste.
When the soup is thick enough, add the cooked pasta.
Serve hot with garlic toast or a breadstick.