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This homemade Thai seafood sauce recipe is made with fiery green bird’s eye chilies, fresh garlic, crisp cilantro, and plenty of tart lime juice. It is the perfect bright, spicy, and sour dipping sauce made in just 20 minutes total and tastes just like your favorite Thai restaurant.
Recipe Summary
- 🔪 Prep Time: 20 minutes (includes resting time)
- 👨🍳 Cook Time: 0 minutes
- ⏱️ Total Time: 20 minutes
- 🍽️ Servings: 1 cup
- 🏷️ Calories: 152 kcal (for the entire recipe)
- 🍳 Cook Method: Blend
- ✨ Flavor Profile: Spicy, sour, and garlicky with a clean, savory finish that goes amazingly well with seafood
- 🧩 Difficulty: Very easy (Perfect for a vibrant and spicy dipping sauce)
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Thai Seafood Dipping Sauce
Every time I head to a Thai seafood restaurant, I always look forward to this sauce to go with Thai seafood. Called nam jim seafood in Thailand, this Thai seafood dipping sauce is the ultimate companion that balances out the rich, smoky flavors of grilled fish or steamed prawns perfectly. I am absolutely obsessed with seafood, especially when it is paired with a fiery, zesty dip. But let us be honest, store-bought bottled versions just do not cut it because they taste completely stale and flat, missing that bright, tongue-tingling pop you only get from crushing fresh ingredients.
If you are looking for a quick and foolproof condiment to round out your seafood dinner, this authentic recipe is exactly what you need. My version focuses on getting that perfect balance of spicy, sour, and salty flavors without turning the fresh herbs into a watery mush. It is a simple sauce that takes less than 20 minutes total to prepare and rest, and it goes incredibly well with my Steamed Fish and Grilled Shrimp.
Shopping Guide: Choosing The Right Ingredients
When you are at the store, grabbing the exact right ingredients is the only way to get that true, authentic taste at home.
How To Spot Fresh Green Thai Chilies
Look for bright, firm green bird’s eye chilies without any wrinkling or soft spots. I use green chilies for this recipe because they give the sauce its signature, vibrant green color and a sharp, grassy heat.
Avoid using larger green peppers like jalapenos or serranos as a swap. They contain way too much water and lack the intense, punchy heat you need for a true Thai dipping sauce. You can easily find these at your local Asian grocery market, or in the international produce section of major supermarkets.
Sidenote: Frozen vs. Fresh Chilies
You might occasionally spot frozen Thai green chilies in the freezer section of your local international market. If you cannot find fresh ones on the shelves, frozen chilies are a fantastic backup option that holds onto that fiery heat perfectly. Just let them thaw on the counter for a few minutes before tossing them straight into the blender jar.
Palm Sugar vs. Regular Sugar
Authentic Thai seafood sauce calls for palm sugar; palm sugar has a unique, mellow sweetness with a rich caramel undertone that balances out the sharp lime juice beautifully. For the most authentic flavor, look for dense blocks or rounded discs that feel firm to the touch, usually packaged in clear wrap at Asian grocery stores.
If you live in an area where tracking down palm sugar blocks is difficult, regular white granulated sugar or brown sugar works perfectly fine as a backup. It dissolves instantly and actually keeps the bright green color of the sauce looking completely vibrant.
Ingredients You’ll Need
- Garlic
- Thai bird’s eye chilies
- Cilantro
- Lime juice
- Fish sauce
- Sugar
See the recipe card below for all the ingredient details and exact measurements.
Pro Tip #1: Why Green Thai Chilies Are Better Here
I always grab green bird’s eye chilies instead of the red ones for this sauce. Red chilies have a riper, fruitier sweetness, but green chilies give you that sharp, crisp heat. Plus, green chilies are the only way to get that vibrant green color without making your sauce look muddy.
Pro Tip #2: Do Not Toss The Cilantro Stems
When you are prepping your cilantro, please do not throw away the stems. The stems actually hold the most flavor and juice. Blending them right into the sauce adds a fresh, punchy flavor that breaks up the heavy raw garlic flavor beautifully.
Pro Tip #3: Use Fresh Limes Only
I really do not recommend using bottled lime juice here. Bottled versions use pasteurized concentrate and preservatives that leave a flat, fake taste. Squeezing fresh limes right before blending is the real secret to getting that bright, tongue-tingling punch.
Pro Tip #4: Why Fish Sauce Is A Must
Do not swap out fish sauce for regular salt or soy sauce here. If you love Thai cuisine, I highly recommend getting a bottle because it is a complete staple in their cooking. It adds a deep, savory depth that ties the lime and chilies together perfectly. I like using quality brands like Megachef or Three Crabs Brand because they give a clean, salty finish without any harsh smell.
Pro Tip #5: Use Palm Sugar For The Best Flavor
For my recipe, I used white sugar because it’s very accessible. If you use palm sugar, just shave it down thinly with a knife before tossing it into your blender. This simple step helps it dissolve completely into the liquid instead of leaving hard, unblended sugar lumps at the bottom of your sauce jar.
How To Make Thai Seafood Sauce
Toss your garlic, green Thai chilies, and cilantro straight into the blender jar. Cover tightly and blitz on high for 10 to 15 seconds until everything is finely chopped. You might repeat the same process to reach a fine consistency.
Pro Tip: I blend the dry ingredients first before adding liquids. This makes sure the garlic and chili skins get chopped into tiny, even bits instead of floating around in large chunks.
Scrape down the sides of the blender jar with a spatula. Pour in your fresh lime juice, fish sauce, and sugar, then blend again until completely smooth and vibrant green.
Pro Tip: If you are using palm sugar, watch the texture closely during this second blend. You want to run the machine just long enough to make sure the hard sugar dissolves fully so you do not get sweet grit at the bottom.
Turn off the machine and pour the sauce straight into your serving bowl or a clean glass jar. Let it sit on the counter for 10 to 15 minutes before you dive in.
Pro Tip: Do not skip this quick rest! Letting the sauce sit for a few minutes takes away that harsh, sharp burn and lets the sauce naturally loosen up into the perfect dipping consistency.
Storage Tip: Store leftovers in a sealed glass jar in the fridge for up to a week. It will be quite spicy the first day, but sitting overnight reduces the chili heat significantly. The bright green color will darken over time from the lime juice, but it still tastes incredible. Give it a good shake or stir before using.
Frequently Asked Questions
The easiest way to cut the heat is to scrape out the white ribs and seeds from the green Thai chilies before blending. You can also make it a day ahead, as letting the mixture sit in the fridge overnight naturally reduces the intense burn significantly.
Aim for a textured, finely minced look rather than a smooth purée. You want to see tiny flecks of chili and herbs floating in the liquid. Just use short pulses on your blender so it doesn’t turn into a total liquid.
Separation is completely natural since this recipe uses fresh ingredients without any binders. The finely minced chili and garlic bits will naturally float or settle after sitting. Simply give it a quick stir or a good shake before serving to blend everything back together.
I wouldn’t recommend it. When it thaws, the fresh ingredients get pretty watery and lose that bright, crisp bite. It is definitely best enjoyed fresh.
This recipe yields 1 cup and contains 261 calories.
What To Serve With This Recipe
For an easy and wholesome weeknight dinner, I recommend the following recipes:
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Thai Seafood Sauce
Ingredients
- 60 g garlic, about 10 cloves
- 35 g Thai bird's eye chilies, (Thai chilies), green, about 12-15 chilies
- 50 g cilantro, stems included, about 1 cup packed
- ¾ cup lime juice, freshly squeezed
- 3 tablespoons fish sauce
- 2 tablespoon palm sugar, brown sugar, or regular sugar
Instructions
- In a blender, add garlic, Thai bird’s eye chilies, and cilantro. Blend until finely chopped and combined, about 10–15 seconds. You might need to repeat this step a few times until you reach a fine consistency.
- Scrape down the sides of the blender, then add lime juice, fish sauce, and sugar. Blend again until smooth and fully combined.
- Let the sauce sit for 10–15 minutes to loosen slightly, then serve immediately as a dipping sauce with seafood or transfer to a jar and refrigerate until ready to use.
Video
Notes
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
