Step 1

In a large pot over medium heat, combine chicken and water. Bring to a boil, skimming scum that floats on top.

Step 2

When the broth has cleared, add onions, ginger, peppercorns, and fish sauce.

Step 3

Lower heat, cover, and simmer for about 20 to 25 minutes or until chicken is cooked through.

Step 4

Add potatoes and continue to cook for about 8 to 10 minutes or until tender.

Step 5

Add bok choy and cabbage and cook for about 2 to 3 minutes or until tender yet crisp.

Step 6

Season with salt and pepper to taste. Serve hot.