Prepare the dry rice noodles according to package instructions until tender; drain and set aside.
In a medium pot, combine the beef bone broth, star anise, cinnamon stick, and minced fresh ginger.
Bring the broth to a gentle simmer over medium heat for 10 minutes to infuse the aromatics.
Stir in the fish sauce, sea salt, and black pepper, then keep the broth at a rolling boil.
Thinly slice the raw beef eye of round against the grain into paper-thin strips.
Place the cooked rice noodles and the raw beef slices into a large, deep serving bowl.
Carefully pour the boiling hot broth directly over the beef and noodles to cook the meat instantly.
Garnish the bowl with sliced white onion, bean sprouts, fresh basil, and cilantro.
Finish the dish with a fresh squeeze of lime juice and serve immediately while hot.