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    Home » Sauces » Sa Tế (Vietnamese Lemongrass Chili Sauce)

    Published: Sep 22, 2022 · Last Modified: Sep 22, 2022 by Jeannette ·

    Sa Tế (Vietnamese Lemongrass Chili Sauce)

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    Sa Tế in a container surrounded by chilis and a wooden spoon.
    Sa Tế in a container surrounded by chilis and a wooden spoon in the sauce.
    Sa Tế in a container surrounded by chilis and a wooden spoon in the sauce.

    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 in a container surrounded by chilis and a wooden spoon in the sauce.

    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 in a container surrounded by chilis and a wooden spoon.

    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

    Bowls of oil, annatto seeds, fresh chili and dried chili flakes along with dishes of fish sauce, salt, sugar and chicken bouillon powder next to lemongrass stalks and a plate of red shallots, garlic, Chinese cinnamon, star anise and galangal.

    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

    Chili roasting in an oven.

    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.

    Garlic and red shallots chopped in a bowl.

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

    Lemongrass segments in a bowl.

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

    Blitzed lemongrass in a bowl.

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

    Blitzed chili in a bowl.

    Repeat the previous step with the roasted chilis.

    Annatto seed oil in a bowl.

    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.

    Chinese cinnamon and star anise in oil in a pan.

    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.

    Chopped garlic frying in oil in a pan.

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

    Aromatics cooking in a pan.

    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 in a pan.

    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 in a container surrounded by chilis and a wooden spoon in the sauce.

    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!

    Want more home cooked recipes?

    Subscribe to our email list and be the first to get recipe updates as soon as they’re posted. You can also follow Wok & Kin on Instagram, Pinterest, Facebook and Twitter!

    Sa Tế in a glass dish surrounded by chilis and a larger bowl of Sa Tế

    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!
    5 from 6 votes
    Print Pin Rate
    Prep Time: 20 minutes
    Cook Time: 20 minutes
    Total Time: 40 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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    « Lagu Gà (Vietnamese Chicken Ragu)
    Scallion Oil Noodles (葱油拌面) »

    Reader Interactions

    Comments

    1. Shadi Hasanzadenemati says

      September 02, 2020 at 7:36 am

      5 stars
      Love all the flavors here, I already know I’m going to enjoy this recipe a lot!

      Reply
      • Jeannette says

        September 02, 2020 at 5:03 pm

        Thanks, Shadi!

        Reply
    2. Sara Welch says

      September 02, 2020 at 7:55 am

      5 stars
      This was so easy and so worth it! Adds so much flavor to so many recipes!

      Reply
      • Jeannette says

        September 02, 2020 at 5:03 pm

        That’s wonderful to hear, Sara!

        Reply
    3. Gina says

      September 02, 2020 at 8:37 am

      5 stars
      Just ate something very similar in some pho last night, great recipe so I can recreate it at home!

      Reply
      • Jeannette says

        September 02, 2020 at 5:04 pm

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

        Reply
    4. Traci says

      September 02, 2020 at 9:00 am

      5 stars
      So easy and crazy delicious on all things Asian! I’ve been looking for a recipe like this…nailed it! Thanks for sharing 🙂

      Reply
      • Jeannette says

        September 02, 2020 at 5:04 pm

        Thanks, Traci! Enjoy!

        Reply
    5. Anjali says

      September 02, 2020 at 10:51 am

      5 stars
      I love this chili sauce!! It was super easy to make and added so much flavor to any dish I combined it with!

      Reply
      • Jeannette says

        September 02, 2020 at 5:04 pm

        That’s great to hear, Anjali!

        Reply
    6. Jason says

      September 03, 2020 at 3:10 pm

      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
      • Jeannette says

        September 03, 2020 at 5:05 pm

        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. Z says

      April 23, 2022 at 2:20 pm

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

      Reply
      • Jeannette says

        May 04, 2022 at 6:12 pm

        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. Angela Hinton says

      June 30, 2022 at 2:50 am

      5 stars
      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
      • Jeannette says

        July 14, 2022 at 9:56 am

        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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