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Pla Som Recipe (Thai Sour Fish)

Make authentic Thai sour fish with this pla som recipe, featuring fermented and fried fish, with simple image instructions for perfect results.

Prep Time
20 mins
Cook Time
20 mins
Total Time
40 mins
Servings: 4 people
Calories: 417 kcal
Course: Main Course
Cuisine: Thai

Ingredients

  • 500 g whole fish see notes
  • 80 g salt for cleaning fish
  • 2 heads garlic
  • 3 g MSG
  • 6 g white sugar
  • 6 g salt
  • 200 g uncooked glutinous rice
  • 700 ml water
  • oil as needed for deep-frying
  • 2 large eggs
  • 60 g tempura flour

Instructions

Making sticky rice
    Cup of Yum
  1. Start by rinsing your glutinous rice, then soak it in water for at least 4 hours. After soaking, steam the rice until tender. Remember to save the soaking water – you’ll need this ‘sticky rice water’ later. For more details, check out my full Thai sticky rice recipe.
Cleaning fish
  1. Use a dull knife to scrape off the scales from tail to head. Next, make a shallow cut along the belly from under the head to the tail, remove the innards, and thoroughly rinse the cavity under cold water. Finally, pat the fish dry inside and out.
Curing fish
  1. Start by scoring cuts on both sides of the fish, then rub salt generously into the cuts and over the entire surface to season and draw out moisture. Allow it to rest for 2 hours. After resting, wash the fish thoroughly to remove all salt. Finally, immerse the fish in the preserved ‘sticky rice water’ for 1 hour to enhance its flavor.
Fermenting fish
  1. Crush garlic with a mortar and pestle until finely crushed. Next, mix the garlic with your cooked sticky rice, white sugar, MSG, and salt in a bowl. Apply this mixture liberally over the previously cured fish, ensuring it fills the cuts and covers the surface. Place the fish in a container, cover, and set aside for 3 days at room temperature.
Frying fermented fish
  1. For frying the fermented fish, start by coating the fish evenly with tempura flour, ensuring both sides are well covered. Next, dip the floured fish into beaten eggs until it is fully coated. Heat oil in a frying pan over medium heat. Once hot, gently place the egg-coated fish in the oil and fry until it’s golden brown and crispy on both sides. Serve immediately with rice. Enjoy!

Notes

  • Use the nutrition card in this recipe as a guideline.
  • Fish – In my village in Isan, we typically make som pla with java barb because it has soft fish bones. You can also use other white flesh fish, like tilapia and halibut, which have a mild flavor and firm texture ideal for fermentation.

Nutrition Information

Calories 417kcal (21%) Carbohydrates 39g (13%) Protein 53g (106%) Fat 5g (8%) Saturated Fat 2g (10%) Polyunsaturated Fat 1g Monounsaturated Fat 1g Cholesterol 125mg (42%) Sodium 9735mg (406%) Potassium 793mg (23%) Fiber 1g (4%) Sugar 1g (2%) Calcium 41mg (4%) Iron 2mg (11%)

Nutrition Facts

Serving: 4people

Amount Per Serving

Calories 417

% Daily Value*

Calories 417kcal 21%
Carbohydrates 39g 13%
Protein 53g 106%
Fat 5g 8%
Saturated Fat 2g 10%
Polyunsaturated Fat 1g 6%
Monounsaturated Fat 1g 5%
Cholesterol 125mg 42%
Sodium 9735mg 406%
Potassium 793mg 17%
Fiber 1g 4%
Sugar 1g 2%
Calcium 41mg 4%
Iron 2mg 11%

* Percent Daily Values are based on a 2,000 calorie diet.

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