I absolutely love this Prik Nam Som recipe because it brings an irresistible tangy-spicy kick to any Thai-inspired dish, instantly elevating my meals with vibrant, authentic flavors. The combination of vinegar, fish sauce, and fresh chilies creates a perfect balance that excites my taste buds and keeps me coming back for more.

A photo of Prik Nam Som Recipe

Prik Nam Som is a sauce that I think elevates any dish. I love creating vibrant flavors, and this sauce has them in abundance.

With 1/2 cup of white vinegar and 2 tablespoons of fish sauce, the recipe here is perfectly balanced between acid and umami. The 1/4 cup of red Thai chilies and 2 minced garlic cloves add the expected level of heat, while 1 tablespoon of sugar and a little lime juice give it a much-appreciated sweet and sour note.

Ingredients

Ingredients photo for Prik Nam Som Recipe

White Vinegar:
Delivers a sharp base; essential for being sour.

Fish Sauce:
Provides a deep, savory umami; packed with protein.

Sugar:
Offsets the acid; gives sweetness.

Red Thai Chilies:
Delivers warmth; loaded with capsaicin to supercharge metabolism.

Garlic:
Improves taste; has antioxidants.

Lime Juice:
Imparts a fresh taste; an excellent source of vitamin C.

Ingredient Quantities

  • 1/2 cup white vinegar
  • 2 tablespoons fish sauce
  • 1 tablespoon sugar
  • 1/4 cup thinly sliced fresh red Thai chilies
  • 2 cloves garlic, minced
  • 1 tablespoon lime juice

Instructions

1. Start by getting the ingredients ready. The fresh red Thai chilies should be sliced thinly, and the garlic cloves should be minced.

2. In a mixing bowl, whisk together 1/2 cup of white vinegar and 2 tablespoons of fish sauce.

3. To prepare the vinegar and fish sauce mixture, add 1 tablespoon of sugar. We want to add the sugar to the vinegar and fish sauce to help balance the flavors. Stir until the sugar is fully dissolved.

4. Add the sliced red Thai chilies (1/4 cup) to the bowl, and make sure they are evenly distributed throughout.

5. Add the garlic, minced, to the mixture and give it a good stir to marry all the flavors together.

6. Blend well with 1 tablespoon of fresh lime juice to give the mixture a hint of citrus.

7. Let the mixture rest for approximately 10-15 minutes, allowing the flavors to blend.

8. Mix the components again to make certain that everything is blended well.

9. Pour the Prik Nam Som into a clean, sterilized jar or bottle for storage.

10. Keep in the fridge and serve alongside the Thai dishes you enjoy most. Shake well before each use and store in a cool, dark place if you plan on refrigerating it for a while.

Equipment Needed

1. Cutting board
2. Knife
3. Mixing bowl
4. Whisk
5. Spoon (for stirring)
6. Measuring cups
7. Measuring spoons
8. Jar or bottle with lid (sterilized)
9. Funnel (optional, for pouring into the jar)

FAQ

  • What is Prik Nam Som?A spicy Thai vinegar dipping sauce, Prik Nam Som serves as a condiment to add both tang and heat to many dishes.
  • Can I substitute the red Thai chilies with another type of chili?You can substitute another type of chili pepper, but keep in mind that the flavor and heat level may differ.
  • How long can I store Prik Nam Som?An airtight container kept in the refrigerator can preserve it for two weeks at most.
  • What dishes pair well with Prik Nam Som?It complements well with grilled meats, seafood, noodles, and rice dishes.
  • Is there an alternative for fish sauce in this recipe?Soy sauce can stand in for fish sauce in a vegetarian diet, but its flavor profile will be slightly different.
  • Can I use bottled lime juice instead of fresh?It is very best to use fresh lime juice for flavor, but bottled lime juice can work in a pinch.
  • How do I adjust the spiciness of the sauce?To modify the heat level, you can cut down on the number of red Thai chilies or seed them before slicing them.

Substitutions and Variations

Substitute rice vinegar or apple cider vinegar for white vinegar.
Soy Sauce: For a vegetarian option, substitute with tamari or use the following recipe.

Unami Paste: This is a low-sodium way to add umami-rich (savory) flavors to stir-fries and braises. Use 1 tablespoon in place of fish sauce and mix it into the dish.
Sweeteners: Use honey or palm sugar as substitutes.
Thai Chilies, True: Use serrano peppers or crushed red pepper flakes if you want to remain true to the Thai chilies’ flavor profile.
Garlic: Substitute with garlic powder or shallots for a more subdued flavor.

Pro Tips

1. Mellow the Garlic If the raw garlic flavor is too strong for your preference, you can lightly sauté the minced garlic in a small pan for about 30 seconds before adding it to the mixture. This will mellow the flavor without losing the garlic’s essential aroma.

2. Adjust Sweetness The balance of flavors in this dish is crucial. Taste the mixture after adding the sugar and before adding the chilies. If you want a sweeter profile, incrementally add more sugar to reach your desired taste.

3. Chili Control The heat level of the sauce can be adjusted by altering the number of chilies used or by removing some of the seeds before slicing. If you desire a milder sauce, consider using fewer chilies or removing all seeds.

4. Enhanced Citrus To deepen the citrus flavor, add a teaspoon of finely grated lime zest along with the juice. This will intensify the lime flavor without adding more acidity.

5. Longer Marination If time permits, let the sauce rest longer than the suggested 10-15 minutes for a more pronounced and complex flavor. An hour or more will allow the flavors to meld together more profoundly.

Photo of Prik Nam Som Recipe

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Prik Nam Som Recipe

My favorite Prik Nam Som Recipe

Equipment Needed:

1. Cutting board
2. Knife
3. Mixing bowl
4. Whisk
5. Spoon (for stirring)
6. Measuring cups
7. Measuring spoons
8. Jar or bottle with lid (sterilized)
9. Funnel (optional, for pouring into the jar)

Ingredients:

  • 1/2 cup white vinegar
  • 2 tablespoons fish sauce
  • 1 tablespoon sugar
  • 1/4 cup thinly sliced fresh red Thai chilies
  • 2 cloves garlic, minced
  • 1 tablespoon lime juice

Instructions:

1. Start by getting the ingredients ready. The fresh red Thai chilies should be sliced thinly, and the garlic cloves should be minced.

2. In a mixing bowl, whisk together 1/2 cup of white vinegar and 2 tablespoons of fish sauce.

3. To prepare the vinegar and fish sauce mixture, add 1 tablespoon of sugar. We want to add the sugar to the vinegar and fish sauce to help balance the flavors. Stir until the sugar is fully dissolved.

4. Add the sliced red Thai chilies (1/4 cup) to the bowl, and make sure they are evenly distributed throughout.

5. Add the garlic, minced, to the mixture and give it a good stir to marry all the flavors together.

6. Blend well with 1 tablespoon of fresh lime juice to give the mixture a hint of citrus.

7. Let the mixture rest for approximately 10-15 minutes, allowing the flavors to blend.

8. Mix the components again to make certain that everything is blended well.

9. Pour the Prik Nam Som into a clean, sterilized jar or bottle for storage.

10. Keep in the fridge and serve alongside the Thai dishes you enjoy most. Shake well before each use and store in a cool, dark place if you plan on refrigerating it for a while.