Equipment
Ingredients
Seafood
- 1000 g mussels, live, scrubbed and debearded
Aromatics
- 15 g coconut oil, melted
- 3 garlic, minced
- 1 lemongrass, bruised and cut into 5cm pieces
- 15 g galangal, thinly sliced
- 2 bird's eye chilies, thinly sliced
Broth
- 400 ml full-fat coconut milk, stirred well
- 100 ml chicken broth
- 15 ml fish sauce
- 30 ml lime juice, freshly squeezed
Garnish
- 10 g fresh cilantro, roughly chopped
- 10 g fresh thai basil, leaves picked and torn
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 930 kcal
- Protein
- 65 g
- Carbohydrates
- 32 g
- Fat
- 62 g
- Fiber
- 1 g
- Sugar
- 1 g
- Sodium
- 2236 mg
- Saturated Fat
- 46 g
- Monounsaturated Fat
- 5 g
- Polyunsaturated Fat
- 4 g
- Cholesterol
- 141 mg
- Potassium
- 2239 mg
- Calcium
- 206 mg
- Iron
- 27.7 mg
- Magnesium
- 290 mg
- Phosphorus
- 1209 mg
- Zinc
- 9.6 mg
- Vitamin A
- 272 mcg
- Vitamin C
- 460 mg
- Vitamin E
- 3.0 mg
- Vitamin K
- 37 mcg
- Vitamin B6
- 0.5 mg
- Vitamin B12
- 60.0 mcg
- Thiamin
- 0.88 mg
- Riboflavin
- 1.13 mg
- Niacin
- 9.9 mg
- Folate
- 258 mcg
- Water
- 640 g
Sources: Aggregated Public Data, USDA FoodData Central
Method
Sort the mussels, scrubbing the shells under cold running water and pulling off any fibrous beards. Discard any shells that are cracked or do not close when tapped lightly. Wash your hands thoroughly with soap and warm water after handling the raw seafood.
Heat the coconut oil in a large pot with a tight-fitting lid over medium heat. Add the minced garlic, bruised lemongrass, sliced galangal, and bird's eye chilies. Sauté until highly fragrant but not browned.
Pour the coconut milk, chicken broth, and fish sauce into the pot. Bring the mixture to a gentle simmer, stirring to combine the flavors.
Add the prepared mussels to the simmering broth and cover the pot immediately. Steam the mussels until the shells open wide and the internal temperature of the thickest meat reaches 63°C/145°F.
Remove the pot from the heat. Carefully inspect the pot and discard any mussels that remain completely closed. Gently stir in the fresh lime juice.
Transfer the steamed mussels to deep serving bowls and ladle the hot, aromatic coconut broth over the top. Garnish generously with the chopped cilantro and torn Thai basil before serving immediately.
Chef's Notes
- For the best texture and safety, purchase live mussels the day you intend to cook them. Store them in the refrigerator over a bed of ice, but never fully submerged in tap water.
- Bruising the lemongrass with the back of a knife or a heavy pan helps release its essential oils without leaving fibrous, inedible pieces in the finished broth.
- Fish sauce varies significantly in sodium levels by brand. Start with the suggested amount, taste your broth, and adjust before adding the mussels.
- Serve this dish with thick crusty bread or a side of jasmine rice to soak up the highly flavorful coconut and seafood broth.
Storage
Refrigerator: 1 day — Remove meat from shells and store submerged in the broth to retain moisture.
Reheating: Reheat gently in a saucepan over low heat until just warmed through. Do not boil.
Troubleshooting
Mussels do not open during steaming
Cause: The mussels were dead prior to cooking or the heat was too low to create adequate steam.
Fix: Cannot be fixed. Discard any unopened mussels after cooking to avoid foodborne illness.
Prevention: Inspect all mussels during prep, ensuring they close when tapped, and use a tight-fitting lid during cooking.
Broth tastes flat or unbalanced
Cause: The balance of salty, sour, or spicy components is slightly off due to natural ingredient variations.
Fix: Add a few extra drops of lime juice for brightness or a splash of fish sauce for umami depth.
Prevention: Always taste the broth before adding the mussels, allowing for minor adjustments.
Mussel meat is rubbery and shrunken
Cause: Overcooking during the steaming phase.
Fix: Cannot be fixed.
Prevention: Monitor the pot closely and remove from heat exactly when the majority of the shells have opened.
Cultural Context
Steamed mussels are a popular street food and coastal delicacy in Thailand. The aromatic coconut broth relies on the foundational Thai flavor pillars of sweet, salty, sour, and spicy, often utilizing indigenous aromatics like galangal and lemongrass to cut through the richness of the seafood.
