Step 1

Heat olive oil over medium-high heat. Add halved white and light green parts of scallions, garlic and ginger. Saute for 1-2 minutes.

Step 2

Add mushrooms, soy sauce and sriracha. Cook for 2 minutes.

Step 3

Add vegetable broth, water and cinnamon stick. Bring to a boil. Cover and simmer for 5 minutes.

Step 4

Remove cinnamon stick. Add lime juice, sesame oil and cooked vermicelli noodles.

Step 5

Sprinkle with reserved scallions and serve.