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Thai sweet chili sauce served in a bowl with a spoon in it

Thai Sweet Chili Sauce

Make Thai sweet chili sauce at home easily with this recipe. Just 9 ingredients and 20 minutes. Stores well for up to a month. Called nam chim kai, use this dipping sauce for appetizers, snacks, finger food or stir fries and barbecues.
Course Dips, Dressings & Sauces
Cuisine Asian, Thai
Diet Gluten Free, Vegan, Vegetarian
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings 10 Portions
Calories 129kcal
Author Richa


  • 1 ½ cups Sugar
  • 1 teaspoon Cayenne Pepper or Kashmiri Red Chilli Powder
  • 3 tablespoon Garlic finely minced
  • 1 tablespoon Soy Sauce
  • 1 ½ teaspoons Salt
  • ½ cup Vinegar (Rice or Apple Cider)
  • 1 cup Water
  • 3 tablespoon Chilli Paste (See Note 1 & 2 - or Sambal Oelek or Red Chili flakes)
  • 1 tablespoon Corn Flour or Cornstarch (See Note 3)
  • 2 tablespoon Water


  • Add sugar, cayenne, minced garlic, soy sauce, salt, vinegar, and water to a saucepan and let it simmer (about 3-4 minutes), stirring occasionally till the sugar dissolves completely and the mixture reduces slightly.
  • Add the chilli paste and mix. Simmer again for 2-3 minutes.
  • Mix together cornflour and water in a bowl till no lumps exist and stir in this cornflour slurry into the sauce. Mix continuously till the sauce comes to a boil. Then reduce the heat and simmer till for 3-4 minutes till the sauce is thick, translucent and shiny. Turn off the flame.
  • Serve immediately or cool completely and then transfer to a clean jar. Refrigerate for up to 4 weeks.



  1. Chilli Paste: You can make chilli paste by grinding fresh Thai red chillies in a food processor to a coarse paste. If using dried red chillies, hydrate them in hot water for 10 minutes and then grind. Sambal Oelek or chilli flakes can be substituted.
  2. Reducing heat: Take out the seeds off the red chillies to reduce the heat in the sauce
  3. Cornflour: Can be substituted with potato or tapioca starch
  4. The sauce can be stored in the refrigerator for up to 4 weeks


Calories: 129kcal | Carbohydrates: 32g | Protein: 1g | Fat: 1g | Saturated Fat: 1g | Sodium: 452mg | Potassium: 32mg | Fiber: 1g | Sugar: 30g | Vitamin A: 125IU | Vitamin C: 7mg | Calcium: 4mg | Iron: 1mg