Sweet chili Thai sauce is a versatile condiment that adds a perfect balance of sweetness and heat to any dish. This homemade version is easy to prepare and can be used as a dipping sauce, marinade, or glaze. The combination of rice vinegar, sugar, and chili flakes creates a delightful flavor that will elevate your meals.
Some ingredients in this recipe might not be staples in your pantry. Fish sauce and rice vinegar are essential for authentic Thai flavors but may require a trip to the international aisle of your supermarket. Chili flakes and cornstarch are more common but make sure you have them on hand.

Ingredients For Sweet Chili Thai Sauce Recipe
Rice vinegar: A mild vinegar that adds a tangy flavor to the sauce.
Sugar: Provides the sweetness that balances the heat from the chili flakes.
Water: Used to adjust the consistency of the sauce.
Fish sauce: Adds a deep umami flavor, essential for Thai cuisine.
Soy sauce: Contributes a salty and savory element to the sauce.
Cornstarch: Mixed with water to thicken the sauce.
Chili flakes: Brings the heat to the sauce, adjust to your preference.
Garlic: Adds a pungent and aromatic flavor.
Technique Tip for This Recipe
When preparing the cornstarch mixture, ensure it is thoroughly dissolved in the water before adding it to the saucepan. This prevents any lumps from forming in your sweet chili Thai sauce. Additionally, to enhance the flavor, you can lightly toast the chili flakes in a dry pan for a minute before adding them to the sauce. This will release their oils and give your sauce a deeper, more complex heat.
Suggested Side Dishes
Alternative Ingredients
rice vinegar - Substitute with apple cider vinegar: Apple cider vinegar has a similar acidity and tanginess, making it a good alternative.
sugar - Substitute with honey: Honey provides a natural sweetness and can add a slight floral note to the sauce.
water - Substitute with chicken broth: Chicken broth can add a bit more depth of flavor compared to plain water.
fish sauce - Substitute with soy sauce: Soy sauce can provide a similar umami flavor, though it will be less fishy.
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 can thicken sauces in a similar way to cornstarch.
chili flakes - Substitute with sriracha: Sriracha can provide the heat and a bit of additional flavor complexity.
garlic - Substitute with garlic powder: Garlic powder can be used if fresh garlic is not available, though it will have a slightly different texture and intensity.
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How to Store or Freeze This Recipe
Allow the sweet chili Thai sauce to cool completely at room temperature before storing. This prevents condensation, which can dilute the sauce and affect its flavor.
Transfer the cooled sauce into a clean, airtight container or a glass jar. Ensure the container is sterilized to avoid any contamination that could spoil the sauce.
Label the container with the date of preparation. This helps you keep track of its freshness and ensures you use it within the optimal time frame.
Store the sauce in the refrigerator. It will keep well for up to two weeks, maintaining its vibrant flavor and consistency.
For longer storage, consider freezing the sauce. Pour it into ice cube trays for convenient, single-use portions. Once frozen, transfer the cubes to a resealable plastic bag or an airtight container.
When ready to use, thaw the desired amount of sauce in the refrigerator overnight or at room temperature for a few hours. Avoid microwaving to prevent altering the sauce's texture.
If you notice any changes in color, texture, or smell, it's best to discard the sauce. Freshness is key to maintaining the authentic taste of sweet chili Thai sauce.
For an extra touch of freshness, you can add a splash of lime juice or a sprinkle of freshly chopped cilantro before serving. This enhances the flavor profile and adds a burst of color.
How to Reheat Leftovers
Stovetop Method: Pour the sweet chili Thai sauce into a small saucepan. Heat over low to medium 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 with a small vent. Heat on medium power in 30-second intervals, stirring between each interval until the sauce is heated evenly.
Double Boiler Method: Fill a larger pot with a few inches of water and bring it to a simmer. Place the sauce in a heatproof bowl and set it over the simmering water, ensuring the bottom of the bowl does not touch the water. Stir occasionally until the sauce is warmed through. This gentle method prevents the sauce from burning or separating.
Oven Method: Preheat your oven to 300°F (150°C). Pour the sweet chili Thai sauce into an oven-safe dish and cover it with aluminum foil. Heat for about 10-15 minutes, stirring halfway through to ensure even heating.
Immersion Circulator Method: If you have a sous vide setup, place the sauce in a vacuum-sealed bag or a ziplock bag with the air removed. Set the immersion circulator to 140°F (60°C) and submerge the bag in the water bath for about 20 minutes. This method ensures precise temperature control and even heating.
Best Tools for This Recipe
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, sugar, water, fish sauce, and soy sauce.
Measuring spoons: Measuring spoons are needed to measure out the cornstarch, chili flakes, and water for the cornstarch mixture.
Whisk: A whisk is useful for mixing the cornstarch with water and ensuring it is well combined before adding it to the sauce.
Wooden spoon: A wooden spoon is ideal for stirring the sauce as it simmers, ensuring that it doesn't stick to the bottom of the pan.
Garlic press: A garlic press can be used to mince the garlic cloves quickly and efficiently.
Jar: Once the sauce is cooled, store it in a jar with a tight-fitting lid to keep it fresh in the refrigerator.
Stove: The stove is necessary for heating and simmering the sauce to achieve the right consistency.
How to Save Time on Making This Recipe
Prepare ingredients in advance: Measure and chop all ingredients before starting to save time during cooking.
Use a food processor: Mince garlic quickly using a food processor instead of chopping by hand.
Pre-mix cornstarch slurry: Mix cornstarch with water ahead of time to add it quickly when needed.
Simmer while multitasking: Let the sauce simmer while you prepare other parts of your meal.
Store in bulk: Make a larger batch of sweet chili Thai sauce and store it in the refrigerator for future use.

Sweet Chili Thai Sauce Recipe
Ingredients
Main Ingredients
- ½ cup Rice Vinegar
- ½ cup Sugar
- ¼ cup Water
- 2 tablespoon Fish Sauce
- 1 tablespoon Soy Sauce
- 1 tablespoon Cornstarch mixed with 2 tablespoon water
- 1 tablespoon Chili Flakes
- 2 cloves Garlic minced
Instructions
- In a saucepan, combine rice vinegar, sugar, water, fish sauce, and soy sauce. Bring to a boil.
- Reduce heat and let it simmer for 5 minutes.
- Add minced garlic and chili flakes. Simmer for another 2 minutes.
- Mix cornstarch with water and add to the saucepan. Stir until the sauce thickens.
- Remove from heat and let it cool. Store in a jar in the refrigerator.
Nutritional Value
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