In a bowl, combine ground pork, white pepper, fish sauce, cornstarch, and soy sauce. Mix well and form into small meatballs.

Bring chicken broth to a boil in a pot. Add meatballs and cook until they float to the surface.

Gently add soft tofu to the pot. Simmer for a few minutes.

Stir in sesame oil and garnish with chopped green onion before serving.