Фо is a traditional Vietnamese noodle soup that features a flavorful broth, rice noodles, and various toppings, typically including beef or chicken. It is often garnished with fresh herbs, lime, and bean sprouts, making it a vibrant and aromatic dish. Originating from Vietnam, фо has become popular worldwide, with many variations reflecting local tastes. The dish is usually enjoyed as a breakfast or lunch option and is known for its comforting qualities and rich flavors, making it a staple in Vietnamese cuisine.