Ah, Bún mắm—one of Vietnam’s most flavorful and bold noodle soups! It’s a southern Vietnamese specialty, famous for its fermented fish broth with deep umami, combined with seafood, pork, and fresh herbs. Here’s a clear breakdown and recipe:
Ingredients (serves 4)
Broth & base:
- 1 lb (450 g) pork ribs or pork shoulder
- 1–2 tbsp fermented fish paste (mắm cá) – strong flavor, adjust to taste
- 6 cups water or chicken broth
- 2 lemongrass stalks, bruised and cut into 3-inch pieces
- 3 cloves garlic, minced
- 1 small onion, chopped
- 1 tsp sugar
- Salt and pepper to taste
Seafood & proteins:
- 1/2 lb (225 g) shrimp, peeled and deveined
- 1/2 lb (225 g) squid or fish, sliced
- Optional: small pieces of firm tofu or fried fish cake
Noodles & toppings:
- 1 lb (450 g) rice vermicelli noodles (bún)
- Bean sprouts
- Fresh herbs: mint, Thai basil, cilantro
- Sliced cucumber
- Lime wedges
- Chili slices (optional)
- Fried shallots (optional)
Instructions
- Prepare the broth:
- In a large pot, boil pork ribs with water for 15–20 minutes. Skim off impurities.
- Add lemongrass, onion, garlic, sugar, and fish paste. Simmer gently 30–40 minutes.
- Taste the broth and adjust salt, pepper, or more fish paste as needed—it should be strong, savory, and slightly pungent.
- Cook the proteins:
- Add shrimp and squid/fish in the last 3–5 minutes of simmering.
- If using tofu or fish cakes, add to warm through.
- Prepare noodles:
- Cook rice vermicelli according to package instructions. Drain and rinse under cold water.
- Assemble bowls:
- Place a portion of noodles in each bowl.
- Ladle hot broth with proteins over noodles.
- Top with bean sprouts, fresh herbs, cucumber, lime, chili slices, and fried shallots.
- Serve:
- Serve hot with lime wedges and extra chili on the side.
Tips:
- The fermented fish paste is very strong; start with 1 tbsp and adjust to your taste.
- You can add a few small clams or mussels for extra seafood flavor.
- This soup is salty, umami, and aromatic, so balance with fresh herbs and lime when serving.
If you want, I can give a simplified Bún mắm recipe using store-bought broth and fewer ingredients that still captures the bold flavor, perfect for home cooking.
Do you want the simplified version?