Cut the brisket and various vegetables into bite-sized pieces.
Boil the pho noodles in boiling water and set aside.
In a pot, add water, onion, green onion, ginger, chili, and simmer to make the broth.
Season the broth with fish sauce, salt, and other seasonings.
Place the cooked noodles in a bowl and top with brisket and vegetables.
Pour the hot broth over to cook the brisket.
Garnish with cilantro, bean sprouts, and other toppings to finish.