Bun Bo Hue is Vietnamese spicy beef noodle soup. Huế is a name of old emperial city in central Vietnam. “Bun” is rice noodles. “Bo” is beef.
The broth is made by simmering beef bones and beef shank with lemongrass and then seasoned with fermented shrimp sauce. Add salt and fish sauce to taste. Very spicy chili oil is added later for color.
Bun bo usually includes thin slices of marinated and boiled beef shank, chunks of oxtail, and pig’s knuckles. It can also include cubes of congealed pig blood (optional). Bun bo is served with cilantro sprigs, diced green onions, raw sliced onions, chili sauce. Garnishes: lime wedges, bean sprouts, thinly sliced banana blossom, red cabbage, mint, basil, rau ram, saw tooth herb.