In a large dutch oven, heat sesame oil over medium heat.
Add pork, scallions & garlic. Cook until pork is browned about 6 minutes.
Add chicken broth & coconut aminos. Bring to a boil before lowering the heat to a simmer. cook for 10-12 minutes.
Add the noodles & cook until tender. If using vermicelli noodles these will only take about 3 minutes. If using a different type of noodle, cook for desired amount listed on the package.
Add the bok choy and simmer 1-2 minutes or until wilted.
Season to taste with sriracha or chili oil & additional coconut aminos.