Kao Soi Gai with Zucchini Noodles

gluten freemeat & poultrypaleo
Kao Soi Gai with Zucchini Noodles

Kao Soi Gai with Zucchini Noodles

Kao Soi Gai, you stole my heart in Chiang Mai.

This will most likely be my last (indefinitely) recipe inspired by my recent trip to Thailand. It’s the proverbial cherry on top, because it was my favorite dish I had while in Northern Thailand.

Before we left for the trip, one of our friends wrote on my personal Facebook page saying, “Make sure you eat all the Kao Soi Gai and mango with sticky rice as you can while in Thailand.”

Funny enough, we didn’t eat a single serving of mango with sticky rice (we focused more on the savory), but we did try Kao Soi Gai a few times and let me tell you: it’s incredible.

Kao Soi Gai with Zucchini Noodles

Every Sunday in Chiang Mai, they have this huge “walking street” open market with vendors lining the streets. Vendors bring anything from elephant pants (I snagged a few pairs, seen here) to food. And the food is by far the best food I’ve ever had in Thailand.

The street vendors make such authentic, heartfelt food that you can taste the authenticity in every bite. We ordered Pad Thai, papaya salads, and of course, Kao Soi Gai. Actually, the best food we had in all of Thailand was at this night market, on our second day of the 15-day trip!

This dish is really only found in Chiang Mai, it’s actually know as the “Chiang Mai Curry Noodle Dish.” When we flew to Southern Thailand, we couldn’t find it. Luckily, while in Thailand, we did a cooking class and learned about the fundamentals of Thai cooking, which include the “fantastic four”: galangal, lemongrass, chili, and fish sauce (or, as they called it: magic sauce.) Seriously, fish sauce is in practically everything!

Kao Soi Gai with Zucchini Noodles

While we didn’t make Kao Soi Gai in the class we took, the instructors passed along the recipe to me (I asked!) so that I could make it at home. And let me tell you: it’s all about the paste. The paste is key! Once you nail down the paste, freeze it, save it, and make Kao Soi Gai whenever you want.

I’ve written this recipe to try to accomodate a kitchen that might not have a mortar and pestle, but if you have a mortar pestle, this recipe is much easier, more authentic, and the flavors are more spot-on. Also, I changed this up a bit to make it a tad healthier:

  • Used lite coconut milk instead of full-fat
  • Omitted the crispy noodles that are usually on top (which are kinda the best part, but w/e)
  • Omitted the chicken bouillon to reduce sodium and processed ingredients
  • Omitted the palm sugar, because I didn’t think it needed it

Other than that, it’s totally authentic. And I have to say, I really really recommend going the extra mile to find an Asian grocery store to grab the proper ingredients to make this dish. It makes such a difference.

Kao Soi Gai with Zucchini Noodles

I actually went into Manhattan and took two Subway lines to find a Thai specialty grocery store. I walked in and immediately, the man behind the desk said, “Kob Kun Krab!” which means “hello” basically, and I was so excited to hear that phrase I practically shouted, “Kob Kun Kaa!” which is the female’s version of his hello. His eyes lit up that I knew the proper pronunciation and phrase!

It was a happy little moment.

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Nutritional Information & Recipe

Weight Watchers SmartPoints*: 8 points

*These points were calculated using the official Weight Watchers SmartPoints calculator. We are in no way affiliated with Weight Watchers, we are providing this information based on popular demand.

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Kao Soi Gai with Zucchini Noodles

Prep Time20 mins
Cook Time30 mins
Total Time50 mins
Servings: 4


  • For the paste:
  • 5 dried red Thai chillis
  • 4 garlic cloves peeled
  • 2 small shallots peeled
  • skin from 1/2 Kaffir lime or regular lime
  • 3 ” piece of ginger peeled and sliced
  • 1.5 ” piece of turmeric sliced
  • 1 lemongrass stalk tough end trimmed off and then sliced
  • 1 teaspoon shrimp paste or 1 tablespoon fish sauce
  • 1 teaspoon mild curry powder
  • For the curry:
  • 4 pieces bone-in chicken drumsticks + 2 bone-in thighs
  • 1.5 13.5 oz cans lite coconut milk, can shaken first
  • 4 cups chicken broth
  • 1 tablespoon fish sauce
  • 3 medium zucchinis Blade C, noodles trimmed
  • 1 large handful cilantro lightly chopped
  • 3/4 cup diced scallions green parts only
  • 1 lime quartered to garnish
  • crispy noodles optional to garnish (I omitted)


  • Soak the chilis in water for 5 minutes.
  • First, prepare the paste. There are a few ways to do this. The authentic way is with a mortar and pestle, so if you have one: smash together the lemongrass, turmeric and lime skin until they’re broken down. Add the chilis (after they’ve been soaked) and ginger and mash until all combined. Add the garlic, shallot, and yellow curry powder and keep mashing. Finally, add the shrimp paste (or fish sauce) and mix together so there are no chunks and it’s all one paste.
  • If you don’t have a mortar and pestle, to make the paste: mash all of the ingredients except for the shrimp paste (or fish sauce, if that’s what you’re using) on a cutting board using anything you have that’s heavy (meat tenderizer works). Add this to a food processor and pulse until combined and paste-like. Remove, transfer to a bowl and stir in the fish sauce and stir well until paste-like, smashing again if needed.
  • After the paste is made, prepare the curry. Add a large pot over medium-high heat and once the pot is hot, add the coconut milk and the prepared paste. Stir to melt the paste into the coconut milk. Add the chicken, chicken broth, fish sauce, and stir the liquid. Cook the chicken until well-cooked, about 15 minutes. Remove the chicken and slice through the thickest piece to make sure it’s no longer pink on the inside. If it’s still pink, cook for another 5 minutes. If it’s ready, add the zucchini noodles to the pot and meanwhile, shred the chicken off of the chicken thighs and some of the drumsticks (try to leave the drumsticks mostly intact.) Add the pulled meat and drumsticks back into the pan and let everything cook for 3-5 minutes or until zucchini noodles are wilted.
  • Using tongs, divide the drumsticks into four bowls and then divide the curry and noodles on top. Top with the cilantro, scallions, and if desired, the crunchy noodles.

Kao Soi Gai with Zucchini Noodles

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Jennifer says:
Chiangmai is one of my most favorite places to visit in the world. The first time my husband and I had Kai Soi, we couldn't believe the flavor and textures. Thank you making this recipe adaptable here and using zucchini noodles, no less!! Thrilled that you were able to get an authentic recipe.
Ali Maffucci says:
So happy to hear it!
Anonymous says:
i love these new recipes from your trip but can you provide a website as to where to get these unusual ingredients. thanks!
Ali Maffucci says:
Asian grocery stores are your best bet!
Kirsten says:
Many thanks for sharing!!! Cannot wait to try this!!!!
KV says:
This recipe looks awesome! Do you have any vegetarian substitutions for the fish sauce & shrimp paste? Obviously, chicken broth can be replaced with vegetable broth. Instead of chicken, I could use tofu... Thanks so much!
Ali Maffucci says:
Unfortunately, I don't - it's just SUCH a powerful taste and essential in Thai cooking. You can omit it completely and use soy sauce instead, perhaps, but it definitely won't be the same! :(
Susana Arevalo says:
You can use coconut aminos, which is a slightly healthier option :)
Anne Lemieux says:
Aloha. I always freeze my lemongrass (after peeling to get to the mostly white part), ginger, horseradish, jalapeño peppers and turmeric then I use a microplane to make powder. Hope this helps those with no mortar and pestle.
Ali Maffucci says:
What a great tip! Thank you for sharing!
Cassie says:
This looks kind of like a delicious curry soup! I definitely have to try this the next time I visit a Thai restaurant!
Ali Maffucci says:
Yes, you must! It's tough to find, because it's really a Chiang Mai specialty, but if you find it: ORDER IT!
Alisa says:
So they use ginger instead of galangal???
Kimberly Matthiensen says:
I live in middle Tennessee where it's hard to find some things such as Thai chilis, what can I use in place of them? Thank you
Meaghan says:
Hi, Kimberly! You could also try using fresh or dried cayenne peppers or serrano chiles if you find those are easier to locate!
Kimberly Matthiensen says:
Awesome! Those I CAN find! Thank you!!

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