Sa Tế (Vietnamese Lemongrass Chili Sauce) (2024)

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This Vietnamese Sa Tế is the Lemongrass Chili Sauce that’s simmered until there’s an irresistible depth of flavor! It packs a memorable spicy punch and keeps well for ages. Our homemade version is SUPER easy to make, pairing outrageously well with your favorite stir fries, vegetables, meats and noodle soups.

For a Chinese inspired take, try our Sichuan Garlic Chili Oil!

Sa Tế (Vietnamese Lemongrass Chili Sauce) (1)

The sauce that you’ll love to reach for

I think of Sa Tế whenever I want a sauce worth smothering all over my Grilled Pork Chops, tossing right through my Char Siu Lo Mein or drizzling over a bowl of steaming hot Pork and Prawn Clear Noodle Soup.

We usually only get served a tiny dish when we eat Phở at Vietnamese restaurants, which is never enough. But since making it at home, I haven’t run into that problem!

Our homemade Lemongrass Chili Sauce will turn any of your favorite family meals into a showstopping flavor bomb. Not only will it douse your food with plenty of spice-infused garlic, the fragrant kick from 7 different aromatics is simply unforgettable.

You may even want to keep some tissues nearby because this is one of those condiments that has no mercy; you could be wiping away at sweat AND some tears.

With the signature firey kick, there’s no reason why this homemade Sa Tế shouldn’t be stocked in everyone’s fridge!

Sa Tế (Vietnamese Lemongrass Chili Sauce) (2)

Why this recipe works

  • Roasting the chilis adds an extra depth of smokiness and brings out its natural sweentess.
  • Seasoning with fish sauce enhances the Sa Tế with umami flavor.
  • Using annatto seeds brings out the rich red color without compromising on taste.

What you’ll need

Sa Tế (Vietnamese Lemongrass Chili Sauce) (3)

About the chili

There are many varieties of chilis to choose from, but we like to use bird’s eye chili for its spiciness. Other popular options for Sa Tế include the long red and green chilis or Thai chili, but any of your favorite ones will work for this recipe.

How to make this recipe

Sa Tế (Vietnamese Lemongrass Chili Sauce) (4)

Cut the chili so that you’re left with just the red part of the plant and put them in the oven preheated at 180°C (356°F) to roast for 10 minutes or until dehydrated. Put them in a bowl to cool when ready.

Tip: Line the tray with foil to prevent any sticking.

Sa Tế (Vietnamese Lemongrass Chili Sauce) (5)

Meanwhile, finely chop the garlic, red shallots and galangal.

Sa Tế (Vietnamese Lemongrass Chili Sauce) (6)

Chop the lemongrass roughly into 1-2 cm (0.4-0.8″) segments.

Sa Tế (Vietnamese Lemongrass Chili Sauce) (7)

Use a food processor to blitz the lemongrass, then pour into a bowl and set aside for later.

Sa Tế (Vietnamese Lemongrass Chili Sauce) (8)

Repeat the previous step with the roasted chilis.

Sa Tế (Vietnamese Lemongrass Chili Sauce) (9)

Pour the annatto seeds into 2 US cup oil in a saucepan and keep the heat on low to infuse the color into the oil for 3-5 minutes or until red.

Use a sieve to strain the seeds from the oil into a bowl.

Sa Tế (Vietnamese Lemongrass Chili Sauce) (10)

In a new saucepan or wok, combine 1 US cups oil with the star anise and Chinese cinnamon bark on low heat for 2 minutes or until the aromatics begin to bubble.

Sa Tế (Vietnamese Lemongrass Chili Sauce) (11)

Remove the star anise and Chinese cinnamon bark and add the chopped garlic, red shallots and galangal to brown for 1 minute.

Sa Tế (Vietnamese Lemongrass Chili Sauce) (12)

Pour in the lemongrass, chili, dried chili flakes, fish sauce, salt, sugar and chicken bouillon powder and stir for 10 minutes or until golden.

Sa Tế (Vietnamese Lemongrass Chili Sauce) (13)

Pour in the annatto seed oil and stir to combine for 1 minute.

Let the Sa Tế cool and store in airtight containers to be enjoyed with your meals!

FAQs

How long can you store sa tế for?

If kept in the fridge, this sauce can keep well for up to one month. Use a sealed airtight container, preferably a glass or ceramic jar. Make sure that when you take it out for serving, use a clean utensil to avoid getting any unnecessary bacteria into the container.

What type of chili flakes are used in this recipe?

This ingredient is included in the sauce mostly for its appearance. It gives the Sa Tế a ‘seeded’ look, which is why using it is entirely optional. So long as you don’t use the mouth-numbing Sichuan red chili flakes, any will do.

Tips for the best results

  • Use fresh ingredients. While all of the grown products can be found frozen, you’ll get a much more potent flavor profile using the freshest produce.
  • Keep the heat low and steady. It may take a little longer, but cooking the aromatics using a low-medium heat prevents them from burning and brings out the best aromas.
  • Cook with a neutral-flavored oil. To preserve the taste of every ingredient, opt for oils that are not overpowering. Peanut, vegetable, canola, grapeseed and rice bran oil are all great options.
Sa Tế (Vietnamese Lemongrass Chili Sauce) (14)

Dress up your dishes with these amazing sauces!

  • Vietnamese Dipping Sauce (Nước Mắm) – A signature that adds tanginess, spice and sweetness, no Vietnamese family will be short of this in their fridge.
  • Peanut Hoisin Sauce for Vietnamese Rice Paper Rolls – If you love Summer Rolls, you can’t miss out on this rich and creamy pairing to enjoy with the ultimate light meal. We even have a vegetarian version!
  • Scallion Ginger Sauce (薑蔥油) – Four ingredients. All-purpose. Packed with taste. Need I say more?
  • XO Sauce (XO 酱) – Made using delicacies, XO anything is one way to show others that you have a fantastic meal AND are enjoying life’s luxuries!

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Sa Tế (Vietnamese Lemongrass Chili Sauce) (15)

Sa Tế (Vietnamese Lemongrass Chili Sauce)

This Vietnamese Sa Tế is the Lemongrass Chili Sauce that keeps well for ages, is SUPER easy to make and pairs well with vegetables and meats!

Print Pin Rate

Prep Time: 20 minutes minutes

Cook Time: 20 minutes minutes

Total Time: 40 minutes minutes

Servings: 20

Calories: 430kcal

Author: Jeannette

Equipment

  • Food processor

  • Sieve

Ingredients

  • 200 g / 0.44 lb fresh chili (or to preference)
  • 50 g / 0.11 lb garlic
  • 50 g / 0.11 lb red shallot
  • 5 stalks lemongrass
  • 20 g / 0.05 lb galangal (optional)
  • 40 g / 0.09 lb dried chili flakes (optional)
  • 1/2 US cup annatto seeds
  • 1 Chinese cinnamon bark
  • 1 star anise
  • 1/2 tsp salt (or to taste)
  • 1/2 tsp sugar (or to taste)
  • 1/2 tsp chicken bouillon powder
  • 1 tbsp fish sauce
  • 2 US cup cooking oil (for annatto seeds)
  • 1 US cup cooking oil (for cooking aromatics)

Instructions

  • Cut the chili so that you're left with just the red part of the plant and put them in the oven preheated at 180°C (356°F) to roast for 10 minutes or until dehydrated. Put them in a bowl to cool when ready.

    Tip: Line the tray with foil to prevent any sticking.

  • Meanwhile, finely chop the garlic, red shallots and galangal.

  • Chop the lemongrass roughly into 1-2 cm (0.4-0.8") segments.

  • Use a food processor to blitz the lemongrass, then pour into a bowl and set aside for later.

  • Repeat the previous step with the roasted chilis.

  • Pour the annatto seeds into 2 US cup oil in a saucepan and keep the heat on low to infuse the color into the oil for 3-5 minutes or until red.

    Use a sieve to strain the seeds from the oil into a bowl.

  • In a new saucepan or wok, combine 1 US cups oil with the star anise and Chinese cinnamon bark on low heat for 2 minutes or until the aromatics begin to bubble.

  • Remove the star anise and Chinese cinnamon bark and add the chopped garlic, red shallots and galangal to brown for 1 minute.

  • Pour in the lemongrass, chili, dried chili flakes, fish sauce, salt, sugar and chicken bouillon powder and stir for 10 minutes or until golden.

  • Pour in the annatto seed oil and stir to combine for 1 minute.

  • Let the Sa Tế cool and store in airtight containers to be enjoyed with your meals!

Notes

  • Use fresh ingredients. While all of the grown products can be found frozen, you'll get a much more potent flavor profile using the freshest produce.
  • Keep the heat low and steady. It may take a little longer, but cooking the aromatics using a low-medium heat prevents them from burning and brings out the best aromas.
  • Cook with a neutral-flavored oil. To preserve the taste of every ingredient, opt for oils that are not overpowering. Peanut, vegetable, canola, grapeseed and rice bran oil are all great options.
  • There are many varieties of chilis to choose from, but we like to use bird's eye chili for its spiciness. Other popular options for Sa Tế include the long red and green chilis or Thai chili, but any of your favorite ones will work for this recipe.

Nutrition

Calories: 430kcal | Carbohydrates: 86g | Protein: 16g | Fat: 11g | Saturated Fat: 1g | Cholesterol: 1mg | Sodium: 3504mg | Potassium: 2292mg | Fiber: 21g | Sugar: 19g | Vitamin A: 13764IU | Vitamin C: 309mg | Calcium: 346mg | Iron: 17mg

Tried this recipe? Tag me TODAY!If you recreated this authentic recipe, I’d love to see it! Tag me on Instagram at @wokandkin.

This post was originally published on 1/9/20 and updated with new photos in September 2022.

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Reader Interactions

Comments

  1. Sa Tế (Vietnamese Lemongrass Chili Sauce) (16)Shadi Hasanzadenemati says

    Sa Tế (Vietnamese Lemongrass Chili Sauce) (17)
    Love all the flavors here, I already know I’m going to enjoy this recipe a lot!

    Reply

    • Sa Tế (Vietnamese Lemongrass Chili Sauce) (18)Jeannette says

      Thanks, Shadi!

      Reply

  2. Sa Tế (Vietnamese Lemongrass Chili Sauce) (19)Sara Welch says

    Sa Tế (Vietnamese Lemongrass Chili Sauce) (20)
    This was so easy and so worth it! Adds so much flavor to so many recipes!

    Reply

    • Sa Tế (Vietnamese Lemongrass Chili Sauce) (21)Jeannette says

      That’s wonderful to hear, Sara!

      Reply

  3. Sa Tế (Vietnamese Lemongrass Chili Sauce) (22)Gina says

    Sa Tế (Vietnamese Lemongrass Chili Sauce) (23)
    Just ate something very similar in some pho last night, great recipe so I can recreate it at home!

    Reply

    • Sa Tế (Vietnamese Lemongrass Chili Sauce) (24)Jeannette says

      That’s where I first had it too! Enjoy making it in the comfort of your own home, Gina 😀

      Reply

  4. Sa Tế (Vietnamese Lemongrass Chili Sauce) (25)Traci says

    Sa Tế (Vietnamese Lemongrass Chili Sauce) (26)
    So easy and crazy delicious on all things Asian! I’ve been looking for a recipe like this…nailed it! Thanks for sharing 🙂

    Reply

    • Sa Tế (Vietnamese Lemongrass Chili Sauce) (27)Jeannette says

      Thanks, Traci! Enjoy!

      Reply

  5. Sa Tế (Vietnamese Lemongrass Chili Sauce) (28)Anjali says

    Sa Tế (Vietnamese Lemongrass Chili Sauce) (29)
    I love this chili sauce!! It was super easy to make and added so much flavor to any dish I combined it with!

    Reply

    • Sa Tế (Vietnamese Lemongrass Chili Sauce) (30)Jeannette says

      That’s great to hear, Anjali!

      Reply

  6. Sa Tế (Vietnamese Lemongrass Chili Sauce) (31)Jason says

    Is there a chili you would recommend that would make this less spicy? The flavor sounds amazing and would love to try but unfortunately I don’t do well with strong spice :/

    Reply

    • Sa Tế (Vietnamese Lemongrass Chili Sauce) (32)Jeannette says

      Hi Jason, you can simply use less chili to lessen the spice or split the chilis in half before roasting and scrape the seeds out. I hope this helps! 😀

      Reply

  7. Sa Tế (Vietnamese Lemongrass Chili Sauce) (33)Z says

    Love Vietnamese food! Just wondering if there is a risk of botulism, keeping the garlic oil for so long?

    Reply

    • Sa Tế (Vietnamese Lemongrass Chili Sauce) (34)Jeannette says

      Hi, Z! I would suggest cooking the ingredients throughly to reduce the risk of botulism. You can also make smaller batches so that you go through the garlic oil faster. I hope that helps!

      Reply

  8. Sa Tế (Vietnamese Lemongrass Chili Sauce) (35)Angela Hinton says

    Sa Tế (Vietnamese Lemongrass Chili Sauce) (36)
    I made this yummy recipe today. It is truly delicious! The galangal is so fresh and bright with the lemongrass, while the fish sauces lends a mysterious depth. The hints of cinnamon and star anise are at once subtle and seductive. Can’t wait to grill something up on the BBQ to serve with this luscious sauce!! The recipe is a keeper, for sure. Thank you!!

    Reply

    • Sa Tế (Vietnamese Lemongrass Chili Sauce) (37)Jeannette says

      Hi, Angela! I’m so glad you liked it! Enjoy it with your BBQ the next time you have one 😀

      Reply

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