Homemade Thai Sweet Chili Sauce recipe uses 6 simple ingredients and takes just 10 minutes to prepare. It’s a flavorful healthy sauce that contains just a fraction of the sugar in store bought options!

Once prepared, use Thai chili sauce to make sweet chili salmon, grilled cedar plank salmon or crock pot chicken thighs.

Thai sweet chili sauce dripping from a basting brush.

I’m no stranger to making homemade sauces and dressings like this peanut sauce or Asian salad dressing. They take minutes to prepare, contain no preservatives, and can be made far healthier than their store bought alternatives.

For example, this Thai sweet chili sauce recipe contains no refined sugar and is heat adjustable for a tastier and healthier version of your favorite Thai chili sauce.

It’s sweet and sour, tangy, with a kick of heat, and makes for a delicious condiment or dipping sauce. Now you can learn how to make Thai sweet chili sauce at home with just a few all natural, affordable ingredients and just 10 minutes of prep time!

Thai sweet chili sauce stored in a jar.

What Is Thai Sweet Chili Sauce?

Also referred to as Asian sweet chili sauce, Thai chili sauce or nam chim kai in Thailand, it means “dipping sauce for chicken” and pairs perfectly with almond crusted chicken or crispy coconut chicken.

Sweet chili sauce commonly may contain red chili paste (or sambal oelek), rice wine vinegar, sugar, and sometimes ginger and fish sauce. My version is a simplified version with easy to find ingredients plus it’s refined sugar free, gluten free and vegan.

Maybe I’m a little biased, but I honestly think this is the only Thai sweet chili sauce recipe you’ll ever need. It’s the best!

Ingredients

One of the best parts about this homemade Thai chili sauce recipe is that all ingredients listed below are affordable and easy to buy organic if desired.

  • Maple syrup: This chili sauce recipe relies on maple syrup rather than using tons of refined white sugar. You could alternatively use honey, agave, or brown rice syrup, but each will affect the flavor and sweetness.
  • Vinegar: Rice vinegar is naturally milder and on the sweeter side, so it works perfectly.
  • Garlic: I use just one clove of garlic, but feel free to adjust the amount to personal preferences.
  • Red pepper flakes: I used regular red pepper flakes but feel free to swap this out with other chili varieties.
  • Cornstarch: Needed to thicken the sauce. You could also potentially use arrowroot powder or tapioca starch, though I haven’t tried.
  • Water: To thin the sauce, adjust to preference.
  • Salt: To enhance taste.
Maple syrup, rice vinegar, red pepper flakes, cornstarch, garlic, salt.

How to Make Thai Sweet Chili Sauce

Only a few easy steps and this healthy Thai sweet chili sauce is ready to use!

  • Add the ingredients to a pan: Add all the Asian sweet chili sauce ingredients to a pan and whisk until well combined.
Maple syrup, rice vinegar, red pepper flakes, garlic and cornstarch in pot on stove.
  • Thicken and reduce: Bring the chili Thai mixture to a boil over medium heat, reduce to low, and simmer for 7-10 minutes, or until thickened. Then, use immediately, transferring any leftovers to a clean glass jar.
Sauce boiling in a pot on the stove.

Before transferring to a jar, give your Thai sweet chili sauce a quick taste test and adjust any elements if needed. For example, more chili for heat, more maple for sweetness, or a little more vinegar for tang.

Can I Use A Sugar Free Substitute for Making This Sauce?

Yes, you could make this with a sugar free alternative like granulated erythritol, but it won’t be quite as sticky. You could also try a liquid monk fruit or a sugar free syrup alternative. The flavor might differ.

Can I Use Fresh Red Chillies?

Yes, especially if you desire your Thai sweet chili sauce to be a more red color similar to those found in store bought bottles. Use Thai red chillies if you can find them and be aware they are more spicy so you may want to remove the seeds before you process them into a paste.

Alternately, you could use sambal oelek which is a pickled chili paste. You may find you need to use less rice vinegar with this option.

I find that using a combination of red pepper flakes and rice vinegar is comparable to both of these, plus I always have them on hand!

How to Add an Umami Taste?

With it’s sweet and spicy ingredients, balancing Thai sweet chili sauce with umami flavor adds depth of flavor. While this sauce does already have garlic (another umami ingredient) you could add 1-2 teaspoons soy sauce (or tamari for a gluten free option) that will add additional savory taste.

FAQs

How can I adjust the heat of Thai sweet chili sauce?

Simply swap out the type of dried chili flakes used (Chinese or Korean chili flakes are usually very mild) and the amount used. Note that the less you use, the less of a gorgeous orange/red color the sauce will be.

You also might be able neutralize the spice slightly with the addition of extra sweetener.  

What other vinegars can I use in homemade sweet chili sauce?

I recommend using other milder, sweeter options like white wine vinegar or apple cider vinegar.

Can I use honey in sweet chili sauce recipe?

Yes you can, but note that it’s sweeter than maple syrup and has a stronger flavor, so less would be needed.

What else can I add for a more authentic Thai flavor?

You can add 1-2 teaspoons grated ginger for more depth of flavor and slight heat or 2-3 teaspoons fish sauce.

How Do I Use Thai Sweet Chili Sauce?

When I say that the food serving options for this sweet chili sauce are endless, I mean it. Here are just a few of the ways I like to enjoy it.

Let me know in the comments your favorite way of enjoying this homemade sweet chili sauce!

How Long Can It Be Stored?

You can store Thai sweet chili sauce in the fridge for between 2-3 weeks. It may thicken, just reheat it on the stovetop or in the microwave. You may need to add a splash of water to reach desired consistency.

I recommend freezing the sauce in smaller ‘portioned’ amounts in a silicone ice-cube tray for 2-3 months. The sauce won’t freeze solid, which is why it’s best to use a silicone tray for easy removal.

More Must Try Thai Inspired Recipes

Thai chili sauce dripping off basting brush into the jar.
Thai sweet chili sauce on basting brush.

Healthy Thai Sweet Chili Sauce Recipe

Homemade Thai Sweet Chili Sauce recipe that contains just a fraction of the sugar in store bought options.
4.82 from 38 votes
Servings 12 servings
Calories 40
Prep Time 3 minutes
Cook Time 7 minutes
Total Time 10 minutes

Ingredients  

Instructions 

  • In a small saucepan, add maple syrup, water, vinegar, cornstarch, garlic, salt, red pepper chili flakes and whisk until combined.
  • Bring to a boil, reduce heat to low and simmer for 7-10 minutes or until sauce has thickened.
  • Transfer to a glass jar to store. Use this sauce to make sweet chili salmon, cedar plank salmon or slow cooker Thai chicken thighs.

Video

Notes

  • Store: Refrigerate for up to a few weeks.
  • Freeze: Freeze in smaller ‘portioned’ amounts in a silicone ice cube tray for 2-3 months.
  • Sweetener: Honey, brown rice syrup, or agave may work, but taste may be sweeter.
  • For umami taste: Add 1 – 2 tsp soy sauce (or tamari for gluten free). 
  • Deeper red color: Use fresh red Thai chillies that have been deseeded and made into a paste. Alternately, use sambal oelek (pickled chili paste). 

Nutrition

Serving: 2tbsp | Calories: 40kcal | Carbohydrates: 10g | Protein: 1g | Fat: 1g | Sodium: 195mg | Sugar: 8g
Course: Condiment
Cuisine: Asian
Author: Olena Osipov
Did you make this recipe?Mention @ifoodreal or tag #ifoodreal!

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About Olena

Welcome! I grew up in Ukraine watching my grandma cook with simple ingredients. I have spent the last 11 years making it my mission to help you cook quick and easy meals for your family!

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Comments

  1. Do you have to let the sauce cool in the glass jar before refrigerating it or should you refrigerate it right away?

    1. Yes. Let sauce cool. Generally everything has to be cooled before placed in the fridge. That is what I learnt. Warm food is not good for the fridge.

  2. Help! I have made the sauce three times now and I only got it right the first time. 🙁 I’m not sure what I’m doing wrong, but the last two times I made the sauce it is very jelly-like (i.e. it doesn’t spread/move) and is not smooth and saucy. Do all of the ingredients need to be room temperature? My maple syrup is refrigerated. Am I simmering too long? Any recommendations are greatly appreciated. I love this sauce and your salmon recipe. Thank you! 🙂

    1. Hi Cate. You are either cooking it too long or adding too much cornstarch. Use half amount cornstarch, or measure cornstarch properly and time yourself for cooking time. The jelly sauce you can fix by adding a bit water and extra salt. Don’t throw it away. I refrigerate my maple syrup too so that is not the issue. You are welcome.

    1. That is crazy. Anything spicy like sriracha, cayenne pepper. They are called red pepper flakes too sometimes.

    1. Yes, for sure. I use only organic cornstarch. I do not add that to ingredients otherwise all my ingredients would say “organic” next to them LOL. I rely on readers’ common sense.

  3. 5 stars
    Great recipe – perfect balance of salty/sweet! I substituted honey for maple syrup (bc I hate syrup) and warmed the water in microwave and mixed cornstarch in it before adding to pan to keep it from getting lumpy. My whole family loved it!

    1. Hi Sophie. If it is of same consistency as maple syrup then maybe. I have never worked with sugar free syrup for health reasons so can’t tell exactly how it behaves during cooking process.

    2. hi, i just notice this website, and your question is interesting, have you try the stevia instead. worst case you have to put more water and more corn starch into the recipe ;p

      1. I can’t imagine the sweet chilli sauce taste OK with large amount of stevia because sweetener is the main ingredient in this recipe.

  4. YUM! txs for sharing…
    Can I replace the cornstarch with corn syrup? I’m out of starch…and at a loss at what to replace it with ;p

    1. Honestly, I have never cooked with corn syrup because for health reasons, obviously my blog LOL. If it helps to solidify things then it should work. Use one last time and throw it out.:)

  5. 5 stars
    Thanks so much for this recipe! It is super yummy! I am going to be making stir fry and was thinking about making it in this sauce. Would you recommend cooking the sauce in the wok with the chicken and veggies as opposed to using the already cooked sauce?

    1. Awesome. Hmmm, no, I would still cook sauce separate and add at the very end, even off the stove. It might not thicken otherwise.

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