Method:

1. Boil noodles and drain. Divide between 4 bowls.
2. In a pot add the sesame oil, bok choy and mushrooms. Sauté for 2 minutes stirring continuously and then add the vegetable stock, oyster sauce and soy sauce. Bring to boil and simmer for 2 minutes.
3. Turn off heat and divide evenly the vegetables and broth between the bowls.
4. Garnish with thai basil, green chilli slices and a squeeze of lime juice.