How to Make Lẩu Mắm (Traditional & Healthy Version)

Lẩu Mắm, a beloved hotpot from the Mekong Delta, is an iconic Vietnamese soup that showcases the region’s rich culinary heritage. This flavorful dish features a savory, umami-packed broth made from fermented fish (mắm cá), combined with an abundance of fresh river fish, shrimp, and a medley of vibrant local vegetables. Lẩu Mắm is a communal meal, often enjoyed with family or friends gathered around a steaming pot, dipping ingredients and savoring the complex flavors. Its aroma is distinctive, offering a genuine taste of Southern Vietnamese home cooking. What makes Lẩu Mắm stand out is its harmonious blend of salty, sweet, sour, and spicy notes. The broth, derived from fermented fish, carries depth and character, balanced by fresh herbs, vegetables like water spinach and eggplant, and lean proteins from seafood and fish. Eating Lẩu Mắm is a sensory experience—each bite delivers a burst of flavors and textures, making it a nutritious and satisfying choice. For those seeking authentic Vietnamese food, Lẩu Mắm represents the heart of the Delta’s food culture, perfect for sharing and celebrating Vietnam’s culinary diversity.

35 min total2 servingsmedium90 kcal / 100g

Ingredients

  • Fermented fish paste (mắm cá linh or mắm cá sặc)
    3 tablespoons Fermented fish paste (mắm cá linh or mắm cá sặc) (Mắm cá linh or mắm cá sặc are traditional Mekong Delta varieties)
  • Fish fillet (snakehead or catfish)
    200g Fish fillet (snakehead or catfish) (Boneless; use local river fish if available)
  • Shrimp
    100g Shrimp (Peeled and deveined)
  • Pork belly (thinly sliced)
    50g Pork belly (thinly sliced) (Optional for extra richness)
  • Eggplant (cà tím)
    1 small Eggplant (cà tím) (Sliced)
  • Water spinach (rau muống)
    1 cup Water spinach (rau muống) (Cut into 5cm pieces)
  • Okra
    4 pods Okra (Sliced)
  • Bean sprouts
    1 cup Bean sprouts
  • Lemongrass stalks
    2 Lemongrass stalks (Bruised and cut into halves)
  • Bird’s eye chili
    1 Bird’s eye chili (Sliced, adjust to taste)
  • Garlic
    2 cloves Garlic (Minced)
  • Shallots
    2 Shallots (Sliced)
  • Fish sauce
    1 tablespoon Fish sauce
  • Rice vermicelli (bún)
    100g Rice vermicelli (bún) (Cooked)
  • Fresh herbs (Vietnamese coriander, Thai basil)
    1/2 cup Fresh herbs (Vietnamese coriander, Thai basil) (To garnish)

Step-by-step instructions

Step 1: Prepare the broth by simmering fermented fish paste in 1 liter of w...
0%
10 min

Step 1 · Prepare the broth by simmering fermented fish paste in 1 liter of w...

Prepare the broth by simmering fermented fish paste in 1 liter of water with lemongrass for about 10 minutes until the fish paste dissolves. Strain the broth to remove solids.

Step 2: In a separate pan
0%

Step 2 · In a separate pan

In a separate pan, sauté garlic and shallots until fragrant. Add to the strained broth to enhance aroma and depth.

Step 3: Season the broth with fish sauce and bird’s eye chili (if using)
0%

Step 3 · Season the broth with fish sauce and bird’s eye chili (if using)

Season the broth with fish sauce and bird’s eye chili (if using). Adjust saltiness to taste.

Step 4: Prepare all vegetables: slice eggplant
0%

Step 4 · Prepare all vegetables: slice eggplant

Prepare all vegetables: slice eggplant, okra, water spinach, and rinse bean sprouts. Arrange seafood, pork (if using), and vegetables on a platter.

Step 5: Bring the broth to a gentle boil
0%
4 min

Step 5 · Bring the broth to a gentle boil

Bring the broth to a gentle boil. At the table, add fish, shrimp, and pork belly. Simmer until seafood is just cooked (about 3-4 minutes).

Step 6: Add vegetables: eggplant
0%
3 min

Step 6 · Add vegetables: eggplant

Add vegetables: eggplant, okra, water spinach, and bean sprouts. Simmer for 2-3 minutes until just tender.

Step 7: Serve hot with cooked rice vermicelli and garnish with fresh herbs
0%

Step 7 · Serve hot with cooked rice vermicelli and garnish with fresh herbs

Serve hot with cooked rice vermicelli and garnish with fresh herbs. Each diner can dip and cook ingredients at the table.

Why this recipe is healthy

This Vietnamese hotpot is a healthy choice because it emphasizes fresh seafood and a variety of vegetables, making it naturally low in calories and rich in essential nutrients. The use of fermented fish paste not only adds deep flavor but also supplies beneficial probiotics for gut health. With customizable ingredients and minimal added fat, it’s perfect for health-conscious eaters seeking authentic Vietnamese flavors.

A note on tradition

Lẩu Mắm is a specialty of the Mekong Delta, especially popular in the provinces of Can Tho and Soc Trang. It’s traditionally enjoyed during gatherings and celebrations, symbolizing hospitality and the bounty of the river. The communal hotpot style reflects the region’s emphasis on shared meals and connection. While its flavor is bold, it’s deeply cherished by those seeking an authentic taste of Southern Vietnam.

← Back to Lẩu Mắm nutrition