Gaeng Nor Mai (Lao Sour Bamboo Soup)
A traditional Lao soup featuring the unique tang of fermented bamboo shoots, simmered with fresh herbs and often a protein like fish or chicken. It's known for its comforting and slightly sour profile, often enjoyed with sticky rice.

🧂 Ingredients
- 500 g Sour bamboo shoots(sliced, rinsed)
- 300 g Chicken or fish(cut into bite-sized pieces (optional))
- 3 stalks Lemongrass stalks(bruised and roughly chopped)
- 10 leaves Bai Yanang leaves (or extract)(or 2 tbsp extract)
- 2 medium Tomatoes(quartered)
- 5 leaves Kaffir lime leaves(torn)
- 3 tbsp Fish sauce
- 1 tsp Salt
- 0.5 tsp MSG(optional)
- 1.5 l Water or broth
- 3-5 pieces Thai chilies(to taste, sliced)
- 2 medium Shallots(roughly chopped)
- 3 cloves Garlic(minced)
- 2 stalks Green onions(chopped, for garnish)
👨🍳 Instructions
- 1
Prepare the aromatics: In a mortar and pestle, pound the Thai chilies, shallots, garlic, and lemongrass into a coarse paste.
💡 Tip: If you don't have a mortar and pestle, a food processor can be used. - 2
In a large pot, heat a tablespoon of cooking oil over medium heat. Add the aromatic paste and stir until fragrant, about 1-2 minutes.
⏱️ 2 minutes - 3
If using chicken or fish, add it to the pot and sear for a few minutes until lightly browned.
⏱️ 3 minutes - 4
Add the water or broth, Bai Yanang leaves (or extract), tomatoes, and kaffir lime leaves to the pot. Bring to a boil.
💡 Tip: If using fresh Bai Yanang leaves, bruise them slightly before adding. - 5
Add the rinsed sour bamboo shoots. Season with fish sauce, salt, and MSG (if using).
💡 Tip: Rinsing the bamboo shoots helps to reduce some of the brine's intensity. - 6
Reduce heat, cover, and simmer for at least 30 minutes, or until the bamboo shoots are tender and the flavors have melded.
⏱️ 30 minutes - 7
Adjust seasoning to taste. Serve hot, garnished with chopped green onions.
💡 Tip: This soup is best enjoyed with sticky rice.
💡 Pro Tips
- ✓The sourness of the bamboo shoots can vary; adjust seasoning accordingly.
- ✓For a richer flavor, you can use chicken or pork broth instead of water.
- ✓If Bai Yanang extract is unavailable, some recipes suggest using a small amount of spinach juice for color, though it won't replicate the unique flavor.
🔄 Variations
- Add other vegetables like mushrooms, pumpkin, or long beans.
- Incorporate small pieces of pork belly or spare ribs for added richness.