Bun Bo Hue: Lemongrass & Star Anise Beef Broth
A vibrant, spicy Central Vietnamese broth featuring grass-fed beef shank and pork hocks simmered with lemongrass, star anise, and fermented shrimp paste. This farm-fresh version replaces refined sugar and seed oils with date syrup and extra-virgin olive oil, delivering a deep, umami-rich bowl packed with collagen and polyphenols.
A little context
Originating from the imperial city of Hue, this dish traditionally balances spicy, sour, salty, and sweet flavors using rock sugar and vegetable oil. We honor the tradition by using whole dates for a slow-release sweetness that mimics the depth of caramelized sugar, and we swap industrial seed oils for cold-pressed extra-virgin olive oil to preserve the delicate lemongrass aromatics. The core technique of slow-simmering bones for a gelatinous, nutrient-dense broth remains untouched, ensuring the soul of the dish is preserved while the ingredients are optimized for longevity.
The longevity story
This dish is a powerhouse of bioavailability: grass-fed beef shank provides type I collagen and glycine for gut lining repair, while the generous amount of lemongrass and turmeric delivers linalool and curcumin to modulate inflammation. The broth's depth comes from star anise (shikimic acid) and fermented shrimp paste, which introduces natural probiotics and B-vitamins without the sodium spike of commercial bouillon. Finally, the fresh herbs (mint, basil, cilantro) added at the end provide a final burst of volatile oils and antioxidants that survive the heat of the bowl.
Method
- 01
Parboil the meats
Place the grass-fed beef shank and pork hocks in the stockpot, cover with cold water, and bring to a rolling boil. Boil for 5-7 minutes to release impurities and blood. Drain, rinse the meat thoroughly under cold water, and scrub the pot clean.
- 02
Prepare the flavor base
In a small dry pan, roast the shrimp paste over medium heat for 2 minutes until aromatic. In a blender, combine the roasted shrimp paste, bruised lemongrass (reserve 2 stalks for later), sliced turmeric, soaked chilies, and 1 cup of water. Blend until a smooth, vibrant orange paste forms.
- 03
Sauté the aromatics
In the clean stockpot, heat the extra-virgin olive oil over medium heat. Add the blended spice paste and the reserved lemongrass stalks. Sauté for 5-7 minutes, stirring frequently, until the paste is fragrant and the oil separates slightly. This step unlocks the fat-soluble compounds in the turmeric and lemongrass.
- 04
Build the broth
Return the cleaned meats to the pot. Add the star anise, the remaining 8-10 cups of water (enough to submerge everything by 2 inches), and the pitted dates. Bring to a boil, then immediately reduce to the lowest possible simmer. Skim any foam that rises in the first 10 minutes.
- 05
Slow simmer
Cover partially and simmer gently for 45-60 minutes. The goal is to tenderize the beef shank and extract gelatin from the pork hocks without breaking the meat apart. The broth should turn a rich, golden-orange hue from the turmeric.
- 06
Season and strain
Remove the meats from the broth and set aside to cool slightly. Stir in the fish sauce. Strain the broth through a fine-mesh strainer into a clean bowl to remove the lemongrass, spices, and date skins. Return the clear, golden broth to the pot and keep warm.
- 07
Slice and assemble
While the broth simmers, slice the cooled beef shank and pork hocks into thin, bite-sized pieces. In serving bowls, arrange the soaked rice noodles, sliced meats, and fresh bean sprouts (if using). Ladle the piping hot broth over the top.
- 08
Garnish and serve
Top generously with fresh Thai basil, mint, cilantro, and sliced red onions. Serve immediately with lime wedges on the side. Squeeze the lime juice into the broth just before the first spoonful to brighten the flavors.
Pro tips
- ✦When selecting lemongrass, choose stalks that are firm with tightly packed white bases; if the outer leaves are wilting or the stalk feels hollow, it is past its prime.
- ✦Roasting the shrimp paste is non-negotiable; it removes the raw ammonia smell and concentrates the umami, which is crucial for a clean-tasting broth without MSG.
- ✦Do not over-boil the meat; a gentle simmer is required to keep the collagen from denaturing too quickly, ensuring the meat remains tender and the broth remains clear.
- ✦If you cannot find fresh turmeric, use 1 tsp of high-quality organic turmeric powder, but add it with the broth to prevent burning, though the flavor profile will be slightly less complex.
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Substitutions
- grass-fed beef shank → grass-fed oxtail or chuck roast (oxtail adds even more gelatin; chuck roast is leaner but still flavorful)
- whole Medjool dates → 1 tbsp pure maple syrup or monk fruit syrup (add later in the cooking process to prevent caramelization if using liquid sweeteners)
- pork hocks → extra beef marrow bones (makes the dish fully beef-based while maintaining the gelatinous texture)
Storage
Store the broth and meat separately in glass containers in the refrigerator for up to 3 days. The broth can be frozen for up to 3 months; do not freeze the noodles. Reheat broth gently to preserve the delicate aromatics.
What to serve with it
- Hot green tea (Sencha or Jasmine) to cut through the richness
- Sparkling water with a slice of fresh lime and a pinch of sea salt
- A small side of fermented kimchi for additional probiotics
FAQ
Can I make this without the shrimp paste?+
You can substitute with high-quality mushroom powder or a dash of yeast extract, but the dish will lose its signature 'Hue' depth and the specific umami profile that defines the tradition.
Is the chili heat adjustable?+
Yes, remove the seeds from the dried chilies before blending for a milder version, or add fresh bird's eye chilies at the table for a customizable kick.
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