Heat 1/2 tablespoon oil in a soup pot. Add the ground pork and cook until it is no longer pink. Remove with a slotted spoon and set aside.
Add the remaining oil to the pan and add the onions and carrots to the pan and cook for a few minutes until they are fragrant. Add the garlic and ginger and cook 2 minutes longer.
Return the pork to the pan and add the broth, fish & soy sauce and lime juice. simmer for 15 minutes to allow the flavors to blend.
Give the soup a taste and add whatever you think it needs. Add the cabbage, red pepper, chilis and green onions. s\Simmer for 5 minutes or so.
While the soup is cooking, prepare the noodles per the package directions. Add the cooked noodles to the soup and let everything get acquainted for another 5 minutes.
Serve with a sprinkle of chopped cilantro and a squeeze of lime. You could also add a splash of Sriracha if you like.