Tofu and Mushroom Soup

1 Heat oil in a deep pan on medium heat.
2 Add onions, garlic, ginger and sauté for few minutes.
3 Now add green chillies and mix well.
4 Add the mushrooms and add salt and let it cook for few minutes.
5 Add the vegetable broth, soy sauce and vinegar and let it come to a boil.
6 Add the tofu and cover with a lid and let it cook for 20-30 minutes till it comes together.
7 Add black pepper mix well and adjust the taste if needed.
8 Garnish with chopped coriander and  serve hot.