In a large pot, add chicken and water. set heat into medium. bring to a boil.
remove scum that floats.
when broth has cleared up, add onions, ginger, peppercorns and fish sauce.
cover the pot and simmer for 25 minutes.
add potatoes and cook for another 10 minutes.
add bok choy and napa cabbage and cook for another 3 minutes.
season with salt and pepper.
serve and enjoy!
Inspired by Kawaling Pinoy.