Sweet Fish Sauce: Cambodia’s Everyday Dipping Sauce

Sweet fish sauce is the dipping sauce you will see on nearly every Cambodian table. It is the default partner for grilled meats, fried spring rolls, and fresh vegetables, and it comes together in a single bowl without any cooking at all.

The flavor moves in three directions at once: salt from the fish sauce, sour from fresh lime juice, and sweetness from dissolved sugar. Chopped chili and crushed peanuts are optional additions that add heat and crunch, but the core balance of salty, sour, and sweet is what makes this sauce so useful.

What You Need

This recipe uses a short list of pantry ingredients. Fish sauce and sugar form the base. Fresh lime juice brings the sour note. Hot chili and roasted peanuts are optional, but they add the texture and gentle heat that many Cambodian cooks reach for.

Use a good-quality fish sauce for this recipe. The sauce is not cooked, so the fish sauce you start with is the flavor you will taste. A thin, harsh fish sauce will make a thin, harsh dipping sauce.

Equipment

• Small mixing bowl: To combine the hot water, sugar, lime juice, and fish sauce.
• Measuring cups: To measure the hot water, sugar, lime juice, and fish sauce accurately.
• Citrus juicer or reamer: To extract fresh juice from the limes without seeds.
• Chef’s knife: To chop the optional hot chili peppers and crush the roasted peanuts.
• Cutting board: To hold the chili and peanuts while you prepare them.
• Spoon or small whisk: To stir the sugar into the hot water until it dissolves and to mix the finished sauce.

How to Make Sweet Fish Sauce

Step 1: Dissolve the Sugar in Hot Water

Pour 1/4 cup of hot water into a small bowl. Add 1/4 cup of sugar. Stir until the sugar is completely dissolved and the water looks clear again. Hot water dissolves the sugar faster than cold water, which keeps the final sauce smooth rather than gritty.

Step 2: Add the Lime Juice and Fish Sauce

Add 1/3 cup of fresh lime juice and 1/3 cup of fish sauce to the bowl. Stir well to combine. The sauce will smell sharp and salty at this stage. That is normal. Set the bowl aside to cool to room temperature before serving.

Step 3: Add Chili and Peanuts Before Serving

If you are using chili, finely chop 3 hot chili peppers and stir them into the sauce. If you are using peanuts, crush 1/3 cup of roasted peanuts and scatter them on top just before serving. The peanuts stay crunchier when they are added at the end rather than stirred in early.

Cooking Tips

Taste the sauce before you serve it. If it feels too salty, add a little more lime juice or sugar. If it feels too sharp, add a spoonful of water. The recipe is a starting point, and Cambodian cooks routinely adjust the balance to match the meal.

Let the sauce sit for about 5 minutes after mixing. The flavors settle together and the raw edge of the fish sauce softens slightly.

How to Serve

Sweet fish sauce belongs with grilled food. Spoon it over grilled pork, chicken, or beef, or set it in a small bowl for dipping. It also works with fried spring rolls, fresh vegetable sticks, and herb-heavy salads. On CambodiaRecipe, you can see it used in a green papaya salad with pork and shrimp, where the sauce is adjusted to taste before it is poured over the salad.

For another Khmer dipping option, try ginger fish sauce, which swaps the sweet-sour profile for a sharper, aromatic ginger note.

Recipe Notes

This recipe does not use garlic. The version on CambodiaRecipe notes that garlic is not part of the basic sweet fish sauce, but 2 cloves of minced fresh garlic can be added if you prefer.

If you are serving someone with a peanut allergy, leave the peanuts out entirely. The sauce is complete without them. The FDA lists peanuts and fish as major food allergens, so check both the fish sauce label and any optional add-ins if allergies are a concern.

Frequently Asked Questions

Final Thoughts

Sweet fish sauce is proof that a dipping sauce does not need many ingredients to do a lot of work. The next time you grill meat or fry spring rolls, mix a bowl of this sauce first. It takes less time than the food itself, and it gives the whole meal the salty-sour-sweet balance that Cambodian cooking is known for.

Sweet Fish Sauce

5.0 from 3 votes

Course: SauceCuisine: CambodianDifficulty: Easy

Servings

6

servings

Prep time

5

minutes

Cooking time

0

minutes

Calories

95

kcal

Total time

5

minutes

Sweet fish sauce is a three-ingredient Cambodian dipping sauce balanced with lime juice, fish sauce, and dissolved sugar. Chopped chili and crushed roasted peanuts are optional additions.

Ingredients

• 1/4 cup hot water

• 1/4 cup sugar

• 1/3 cup fresh lime juice, approx 2 lime

• 1/3 cup fish sauce

• 3 chopped hot chili pepper or to your taste (option)

• 1/3 cup roasted peanut, crushed (option)

Directions

• In a small bowl, mix hot water with sugar till sugar dissolved.
• Add lime juice, fish sauce and hot chili pepper together, mix well and set a side to cool.
• Top with crushed roasted peanut before serve.

Equipment

• 
  Juicer ReamerCheck product details
• 
  Lemon Lime SqueezerCheck product details
• 
  Mixing BowlsCheck product details
• 
  Spoon and Folk SetCheck product details
• 
  Spoon and Folk SetCheck product details
• 
  WhiskCheck product details

Recipe Video

Nutrition Facts

• Serving Size: 3 g
• Total number of serves: 6
• Calories: 95kcal
• Fat: 4.2g
• Saturated Fat: 0.6g
• Sodium: 1016mg
• Potassium: 186mg
• Carbohydrates: 13.2g
• Net Carbs: 12g
• Fiber: 1.2g
• Sugar: 10.2g
• Protein: 3.3g
• Vitamin A: 11.1mcg
• Vitamin C: 36.4mg
• Calcium: 20mg
• Iron: 1mg
• Vitamin E: 0.2mg
• Vitamin K: 3.2mcg
• Thiamin: 0.1mg
• Niacin: 1.9mg
• Vitamin B6: 0.2mg
• Vitamin B12: 0.1mcg
• Folate: 32.6mcg
• Pantothenic Acid: 0.2mg
• Phosphorus: 44mg
• Magnesium: 44mg
• Selenium: 1.9mcg
• Copper: 0.1mg
• Manganese: 0.3mg

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