This Sweet Chili Thai Sauce is a perfect blend of sweet, tangy, and spicy flavors that can elevate any dish. Whether you're using it as a dipping sauce, a marinade, or a glaze, this versatile sauce adds a delightful kick to your meals. It's easy to make at home with a few simple ingredients.
Some of the ingredients in this recipe might not be commonly found in every household. Rice vinegar and fish sauce are staples in Asian cuisine but may require a trip to the international aisle of your supermarket. Red chili flakes add the heat, and cornstarch is used for thickening the sauce.

Ingredients For Sweet Chili Thai Sauce Recipe
Rice vinegar: A mild vinegar made from fermented rice, commonly used in Asian cooking.
Water: Used to dilute the sauce and balance the flavors.
Sugar: Adds sweetness to the sauce, balancing the tangy and spicy elements.
Fish sauce: A salty, umami-rich sauce made from fermented fish, essential in Thai cuisine.
Soy sauce: Adds a savory depth and enhances the overall flavor.
Cornstarch: Mixed with water to thicken the sauce to the desired consistency.
Garlic: Minced garlic adds a pungent, aromatic flavor.
Red chili flakes: Provides the spicy kick that defines this sauce.
Technique Tip for Perfecting This Sauce
When preparing the cornstarch slurry, ensure that the cornstarch is fully dissolved in the water before adding it to the saucepan. This will prevent any lumps from forming and ensure a smooth consistency for your sweet chili Thai sauce.
Suggested Side Dishes
Alternative Ingredients
rice vinegar - Substitute with apple cider vinegar: Apple cider vinegar has a similar acidity and sweetness, making it a good alternative.
water - Substitute with vegetable broth: Vegetable broth adds a bit more flavor compared to plain water.
sugar - Substitute with honey: Honey provides a natural sweetness and a slightly different flavor profile.
fish sauce - Substitute with soy sauce: Soy sauce can mimic the umami flavor of fish sauce, though it lacks the fishy undertone.
soy sauce - Substitute with tamari: Tamari is a gluten-free alternative that has a similar taste to soy sauce.
cornstarch - Substitute with arrowroot powder: Arrowroot powder works similarly to cornstarch as a thickening agent.
garlic - Substitute with garlic powder: Garlic powder can be used in place of fresh garlic, though it may lack some of the fresh flavor.
red chili flakes - Substitute with sriracha: Sriracha can provide a similar heat and a bit of additional flavor complexity.
Alternative Recipes Similar to This Sauce
How To Store or Freeze This Sauce
To store your sweet chili Thai sauce, first ensure it has completely cooled to room temperature. This prevents condensation, which can dilute the sauce and affect its flavor.
Transfer the sauce into a clean, airtight glass jar or container. Glass is preferred as it doesn't retain odors or stains, ensuring your sauce stays fresh and flavorful.
Label the jar with the date of preparation. This helps you keep track of its freshness. The sauce can be stored in the refrigerator for up to two weeks.
For longer storage, consider freezing the sauce. Pour the cooled sauce into freezer-safe containers or zip-top freezer bags. Leave some space at the top as the sauce will expand when frozen.
If using freezer bags, lay them flat in the freezer. This not only saves space but also allows the sauce to thaw more quickly when needed.
When ready to use, thaw the sauce in the refrigerator overnight. For a quicker option, place the sealed bag or container in a bowl of cold water until it softens.
Before serving, give the sauce a good stir. The consistency might change slightly after freezing, but a quick stir will help restore its original texture.
If you notice any changes in color, smell, or taste, it's best to discard the sauce. Freshness is key to maintaining the vibrant flavors of your sweet chili Thai sauce.
How To Reheat Leftovers
Stovetop Method: Pour the sweet chili Thai sauce into a small saucepan. Heat over medium-low heat, stirring occasionally, until warmed through. This method helps maintain the sauce's consistency and flavor.
Microwave Method: Transfer the sauce to a microwave-safe bowl. Cover with a microwave-safe lid or plastic wrap, leaving a small vent. Heat on medium power in 30-second intervals, stirring in between, until the sauce is hot.
Double Boiler Method: Place the sauce in a heatproof bowl. Set the bowl over a pot of simmering water, ensuring the bottom of the bowl doesn't touch the water. Stir occasionally until the sauce is heated through. This gentle method prevents the sauce from burning or separating.
Water Bath Method: Seal the sauce in a heatproof, resealable plastic bag. Submerge the bag in a pot of hot (not boiling) water for about 10 minutes, or until the sauce is warmed. This method is great for preserving the sauce's texture and flavor.
Oven Method: Preheat your oven to 300°F (150°C). Place the sauce in an oven-safe dish and cover with foil. Heat for about 10-15 minutes, stirring halfway through, until the sauce is hot. This method is ideal if you're reheating a larger quantity.
Essential Tools for Making Thai Sweet Chili Sauce
Saucepan: A medium-sized saucepan is essential for combining and heating the ingredients to create the sauce.
Measuring cups: Use measuring cups to accurately measure the rice vinegar, water, and sugar.
Measuring spoons: Measuring spoons are necessary for measuring the fish sauce, soy sauce, and cornstarch.
Mixing bowl: A small mixing bowl is needed to mix the cornstarch with water before adding it to the saucepan.
Whisk: A whisk is useful for stirring the ingredients together and ensuring the cornstarch mixture is well incorporated.
Garlic press: A garlic press can be used to mince the garlic cloves quickly and efficiently.
Jar: After the sauce is prepared, store it in a jar for easy refrigeration and future use.
Stove: A stove is required to heat the saucepan and bring the mixture to a boil.
Spatula: A spatula can be helpful for scraping down the sides of the saucepan and ensuring all ingredients are well mixed.
Time-Saving Tips for Making This Sauce
Pre-measure ingredients: Measure and prepare all ingredients ahead of time to streamline the cooking process.
Use a food processor: Mince the garlic and crush the red chili flakes quickly using a food processor.
Batch cooking: Make a larger batch of sweet chili Thai sauce and store it in the fridge for future use.
Quick dissolve: Dissolve the cornstarch in water before starting to avoid lumps and save time.
Simmer efficiently: Use a wide saucepan to allow the sauce to reduce faster.

Sweet Chili Thai Sauce Recipe
Ingredients
Main Ingredients
- ½ cup Rice vinegar
- ½ cup Water
- ½ cup Sugar
- 2 tablespoon Fish sauce
- 1 tablespoon Soy sauce
- 1 tablespoon Cornstarch mixed with 2 tablespoon water
- 2 cloves Garlic minced
- 1 tablespoon Red chili flakes
Instructions
- In a saucepan, combine rice vinegar, water, sugar, fish sauce, and soy sauce. Bring to a boil.
- Add minced garlic and red chili flakes. Simmer for 5 minutes.
- Mix cornstarch with water and add to the saucepan. Stir until thickened.
- Remove from heat and let cool. Store in a jar in the fridge.
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