1-Making Vietnamese noodle soup at home starts with gathering your ingredients and following a simple sequence to build that signature broth. Begin by charring the onions and ginger in a dry hot skillet until blackened, then set them aside to enhance the flavor base. Next, lightly toast the spices in a dry skillet for 3 minutes to release their aromas, setting the stage for a truly authentic taste.

2-Rinse the bones and brisket, cover with water, and boil for 5 minutes to remove impurities, then drain and rinse again for a clear broth. In a clean pot, bring 3.5 liters of water to a boil and add the beef bones, brisket, charred onions and ginger, toasted spices, sugar, and salt, ensuring the water just covers the ingredients. Cover and simmer for 3 hours, then remove the brisket, cool it, and refrigerate for later use while simmering the broth uncovered for an additional 40 minutes.

3-Strain the broth into another pot and discard the solids, then add fish sauce and adjust salt and sugar to taste. Prepare noodles according to package instructions, and assemble each bowl with noodles, raw beef slices, and cooked brisket slices before ladling hot broth over the beef to cook it. Serve with toppings on the side for a personalized touch.