This soup is also known as Monkey Ball Soup because of the meat or fish balls. The soup is usually garnished with chopped green onion, cilantro leaves and lots of fresh red or green chiles. You might even add chopped peanuts, crispy fried garlic and fish sauce. As it is a relatively simple recipe, many Thai restaurants might prepare it upon request. Here is a very simple version.
FORM pork into 1-inch balls. Set aside. Heat oil in large skillet on medium heat. Add garlic; stir fry until golden. Add pork balls; stir fry 4 minutes or until pork is cooked through.
BRING broth to boil in large saucepan on medium-high heat. Reduce heat to low. Add celery; simmer 1 minute. Add noodles and white pepper; simmer 2 minutes. Add pork balls and bean sprouts; simmer until heated through. Ladle soup into bowls.
PLACE garnishes in separate bowls to allow guests to garnish according to desired taste.