Phở Bò is a classic Vietnamese beef noodle soup made with slow-simmered beef broth, flat rice noodles, tender beef slices, aromatic spices, and fresh herbs. This homemade recipe creates a clear and flavorful broth with star anise, cinnamon, ginger, and onion, served with rice noodles, beef, lime, herbs, bean sprouts, and chili for an authentic Vietnamese meal.