Bun Bo Hue Spicy Beef Noodle Soup

A steaming bowl of Bun Bo Hue with thick rice noodles, tender beef, and fresh herbs, drizzled with aromatic chili oil. Pin it
A steaming bowl of Bun Bo Hue with thick rice noodles, tender beef, and fresh herbs, drizzled with aromatic chili oil. | thehomelycook.com

This beloved central Vietnamese specialty delivers a complex, spicy broth infused with lemongrass, shrimp paste, and aromatic chili oil. The traditional preparation requires patience—simmering beef shank and pork hock for two hours creates a deeply flavorful foundation. Thick round rice noodles provide the perfect base for tender meats, while fresh herbs, bean sprouts, and lime wedges brighten each bowl. The signature red hue comes from annatto-infused chili oil, which also imparts a gentle heat that balances the savory richness of the broth.

The steam rising from my first bowl of Bún Bò Huế in a tiny Saigon corner shop still haunts me in the best way possible. That intoxicating lemongrass hit cutting through humid morning air, the fiery red oil swirling on top like something dangerous and beautiful. I watched the owner chop beef with practiced precision while her grandson played at her feet, both completely ignoring my wideeyed wonder at the broth she had been perfecting for decades.

My kitchen smelled like a Vietnamese street market for three solid days after my first attempt. Neighbors actually knocked on my door asking what on earth I was cooking, which felt like a strange victory. I may have gone overboard with the chili oil that first time, watching my family reach for water between enthusiastic bites, but nobody stopped eating.

Ingredients

  • Beef shank bonein: The collagen from these bones creates that rich body that makes Hué broth legendary
  • Pork hock: Adds sweetness and depth that beef alone cannot achieve
  • Lemongrass stalks: Bruise them hard to release those citrusy oils this is nonnegotiable
  • Shrimp paste: Dont be intimidated by the smell it transforms into something magical in the broth
  • Rock sugar: Dissolves slowly creating a rounded sweetness that regular sugar cant replicate
  • Annatto seeds: Traditional for that signature red hue but honestly optional if you cannot find them
  • Thick rice noodles: These round noodles are essential thinner pho noodles will not hold up to the robust broth
  • Fresh herbs: The herb crown at the end is not garnish it is half the experience

Instructions

Build Your Foundation:
That first parboil might feel like an extra step but your clarity will thank you later. Watch the water turn gray with impurities then rinse everything until the meat gleams.
Simmer With Patience:
Keep the heat low enough that bubbles barely break the surface. Skim faithfully every 20 minutes because clarity equals pride in Vietnamese cooking.
Create The Red Oil:
Let those annatto seeds dance in hot oil until they release their sunset color. The moment your kitchen fills with garlic and shallot perfume you are on the right track.
Bring It Together:
Ladle that steaming broth over your arranged bowls and watch the proteins cook just slightly from the residual heat. That hiss is the sound of something extraordinary happening.
Colorful Bun Bo Hue served with lime wedges, bean sprouts, and herbs, highlighting the spicy, lemongrass-infused broth. Pin it
Colorful Bun Bo Hue served with lime wedges, bean sprouts, and herbs, highlighting the spicy, lemongrass-infused broth. | thehomelycook.com

My friend visiting from Huế took one sip and started crying because it reminded her of Sunday mornings at her grandmothers house. Food reaching across oceans and decades to touch something deep inside us.

Finding The Right Balance

The secret is tasting constantly and adjusting because every batch of broth tells you something different. Some days it needs more salt others a touch more sugar.

Making It Your Own

Traditionalists might raise eyebrows but a splash of coconut milk at the end creates the most luxurious silkiness. Sometimes innovation lives respectfully alongside tradition.

Serving It Right

Bring everything to the table family style and let everyone build their own perfect bite. The ritual of assembling adds something essential to the experience.

  • Keep herbs separate until serving or they will wilt into sadness
  • Extra lime wedges on the table are not optional
  • Have plenty of napkins ready because this is not neat food
A close-up of Bun Bo Hue showcasing beef slices, pork sausage, and vibrant garnishes on a bed of noodles. Pin it
A close-up of Bun Bo Hue showcasing beef slices, pork sausage, and vibrant garnishes on a bed of noodles. | thehomelycook.com

May your kitchen be filled with steam and your table surrounded by people who understand that some soups are worth waiting three hours for.

Recipe FAQs

Bun Bo Hue originates from central Vietnam and features a spicier, more complex broth with lemongrass and shrimp paste. It uses thick round rice noodles instead of flat rice noodles, and typically includes pork hock alongside beef. The signature red chili oil and bold aromatic profile set it apart from the lighter, anise-forward pho broth.

Absolutely. The broth actually develops deeper flavors when made ahead—prepare it up to 2 days before serving and refrigerate. The fat will solidify on top, making it easy to skim off if desired. Reheat gently before assembling bowls, and adjust seasoning as the flavors concentrate when chilled.

Shrimp paste (mam ruoc) provides the distinctive umami foundation that defines this dish. While you can substitute with extra fish sauce, the flavor profile will change. Look for fermented shrimp paste at Asian grocers—start with a small amount and adjust to taste, as its potency varies between brands.

Beef shank with bone is traditional—it contributes rich body to the broth and becomes meltingly tender after long simmering. Brisket or flank can be added for additional texture and quicker-cooking protein slices. The combination creates varied mouthfeel throughout the bowl, from gelatinous shank to slices of lean beef.

The traditional Hue style delivers noticeable but not overwhelming heat. The aromatic chili oil provides customizable spiciness—serve it on the side so diners can adjust. Start with 2 tablespoons of chili flakes in the oil, adding more if you prefer intense heat. Remember that the broth itself contains gentle warmth from the aromatics.

Certainly. Blood cubes are traditional but optional—many home cooks and restaurants skip them. Their iron-rich, mineral flavor adds depth, but the bowl remains satisfying without them. If you're curious about the authentic experience, look for them at Asian butcher shops or substitute with silken tofu cubes for a different texture.

Bun Bo Hue Spicy Beef Noodle Soup

Spicy, aromatic Vietnamese noodle soup with tender beef, lemongrass broth, and fresh herbs

Prep 30m
Cook 150m
Total 180m
Servings 6
Difficulty Medium

Ingredients

Broth

  • 3.3 lbs beef shank, bone-in
  • 1.1 lbs pork hock
  • 12 cups water
  • 2 stalks lemongrass, bruised
  • 1 large yellow onion, halved
  • 4 cloves garlic, smashed
  • 1 thumb-sized piece ginger, sliced
  • 2 tablespoons fish sauce
  • 1 tablespoon salt
  • 2 teaspoons sugar
  • 1 tablespoon rock sugar
  • 1 tablespoon shrimp paste

Aromatic Chili Oil

  • 2 tablespoons vegetable oil
  • 1 tablespoon annatto seeds
  • 2 tablespoons minced shallots
  • 2 tablespoons minced garlic
  • 2 tablespoons chili flakes

Noodles & Proteins

  • 1.3 lbs thick round rice noodles
  • 10 oz cooked beef brisket, thinly sliced
  • 10 oz cooked pork blood cubes
  • 6 Vietnamese pork sausage patties, sliced

Garnishes

  • 1 small red onion, thinly sliced
  • 2 limes, cut into wedges
  • 1 cup bean sprouts
  • 1 cup shredded banana blossom
  • 1 cup fresh herbs (cilantro, mint, Thai basil)
  • 3 scallions, thinly sliced
  • Sliced birds eye chili to taste

Instructions

1
Prepare the Broth Base: Place beef shank and pork hock in a large stock pot. Cover with water, bring to a boil for 5 minutes, then drain and rinse the meat thoroughly to remove impurities.
2
Simmer the Aromatic Broth: Refill the pot with 12 cups water. Add cleaned meat, lemongrass, onion, garlic, and ginger. Bring to a boil, skimming off scum as needed. Lower heat to a simmer. Add fish sauce, salt, sugar, rock sugar, and shrimp paste. Simmer for 2 hours until meat is tender.
3
Slice and Strain: Remove meats from broth and slice beef shank and pork hock into serving pieces. Strain broth through a fine-mesh strainer and discard solids. Season broth to taste.
4
Make the Chili Oil: Heat vegetable oil in a small frying pan. Add annatto seeds and cook for 1-2 minutes until oil turns red, then discard seeds. Add shallots and garlic, sautéing until fragrant. Stir in chili flakes and cook briefly. Set aside.
5
Prepare Noodles and Proteins: Cook rice noodles according to package instructions. Drain and set aside. If using pork blood cubes, simmer in gently boiling water for 10 minutes. Slice beef brisket and Vietnamese sausage patties.
6
Assemble the Bowls: Place a portion of noodles in each serving bowl. Top with beef shank, pork hock, brisket, pork blood cubes, and sausage slices. Ladle hot broth over the top and drizzle with aromatic chili oil.
7
Garnish and Serve: Add red onion, lime wedges, bean sprouts, banana blossom, fresh herbs, scallions, and chili slices as desired. Serve immediately with extra fish sauce or shrimp paste on the side.
Additional Information

Equipment Needed

  • Large stock pot
  • Fine-mesh strainer
  • Small frying pan
  • Ladle
  • Knife and cutting board

Nutrition (Per Serving)

Calories 650
Protein 45g
Carbs 60g
Fat 22g

Allergy Information

  • Contains fish sauce (fish allergen)
  • Contains shrimp paste (shellfish allergen)
  • Contains pork
  • Sausage patties may contain wheat or soy; verify labels if allergic
Margaret Ellis

Passionate home cook sharing easy, flavorful recipes and practical kitchen tips.