In a bowl, put all meatball ingredients: ground pork, carrots, celery, scallions, flour, and egg.
Mix until everything is distributed evenly.
Form the meat mixture into one-inch balls. Makes approximately 24-30 balls. Set aside
Optional: Pre-cook the meatballs by searing them or baking them at 400F for 10 minutes.
Put the pot over medium fire. Add oil.
Saute garlic and onion to soften.
Add zucchini and let it turn a vibrant green.
Pour broth and let it come to a simmer.
Add meatballs and let the broth simmer.
Add misua. Stir and let it soften for about a minute. Taste.
Adjust to taste with fish sauce and pepper.
Serve with scallions.