Combine the water and beef broth in a large cooking pot. Bring to a boil.
Add the onion, star anise, and celery. Reduce the heat in medium. Cover the pot and continue to boil for 20 minutes.
Remove the onion, star anise, and celery from the boiling liquid using a skimmer or a strainer. You can discard these ingredients.
Add the beef. Simmer for 60 to 90 minutes or until the beef becomes tender. You can add more water if necessary.
Put-in the saba banana and potatoes. Cook for 10 minutes.
Add the bok choy and cabbage. Sprinkle salt and pepper. Stir.
Cover and turn the heat off. Let the pot stay with cover-on for 2 to 5 minutes to cook the vegetables.
Transfer to a serving bowl.
Serve. Share and enjoy!