Teriyaki Meatballs with Udon Noodle Soup

1 vegetable oil

2 garlic cloves (finely chopped)

2 freshly grated ginger

4 chicken broth or stock

1

1 carrot (grated)

2 green onions (thinly sliced)

2 stalks celery (thinly sliced)

1/2 bok choy (thinly sliced )

salt and pepper to taste

1 fresh udon noodles, cooked according to package directions