Fry the onion until translucent in oil.
Add the garam masala, cumin powder, sliced garlic and grated ginger and stir fry for 2 minutes.
Add the mushrooms and stir fry on a medium heat for 7 minutes stirring regularly.
Add the Worcester sauce and tomatoes and leave to simmer for 2 more minutes and then serve with a little pepper sprinkled over.
Now add the coriander and finally the spring onions.