Prepare the noodles according to package directions and set aside. Bring the stock to a boil in a large saucepan or stock pot.
Place the beef, soy sauce, and ginger in a glass dish, mix to combine, and marinate for 5 minutes.
Add the beef and sauce to the boiling stock, and reduce heat to medium-high. Cook for 2 minutes, and then add the carrots, cabbage, and mushrooms, and then cook another 2 minutes. Add the sesame oil, sriracha, bean sprouts, and noodles, and cook for 2 more minutes. Remove from the heat and enjoy!