In a large pot heat oil and add ginger, garlic, white part of spring onions and onions
Saute for 2-3 minutes and add the chicken breast
Add carrots, green beans, mushrooms and cabbage along with salt and 3 cups water
In a bowl, whisk together soy sauce, vinegar, pepper, corn flour and 1/2 cup water till no lumps are visible
Add this to the pot and keep stirring till the soup thickens up
Mix in the green part of spring onions and chopped coriander. Turn off the flame
Top with fried noodles and serve hot