Thai Butternut Squash Soup Recipe (Vegan) - Sweet Peas and Saffron (2024)

By: Denise Bustard16 Comments
Posted: 1/21/20Updated: 1/4/21

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A simple and healthy vegan Thai butternut squash soup recipe made with lemongrass and coconut milk! Tastes even better on day 2, is gluten- and dairy-free and easy to prep.

There is really nothing more satisfying than a nice bowl of smooth and creamy soup. Some of my family's favorites include this Ultra Creamy Butternut Squash Soup and this Thai Coconut Curry Soup. Another tasty Thai option is this Thai Butternut Squash Soup recipe which gets amazing flavor from lemongrass and lime leaves.

Thai Butternut Squash Soup Recipe (Vegan) - Sweet Peas and Saffron (1)

While often Thai flavors can be bold and assertive, sometimes I crave something mellower. This Thai butternut squash soup is definitely on the mellower side, with creamy coconut milk and citrussy flavors from the lemongrass and lime leaves.

Not only that but it's loaded with butternut squash and carrots, is vegan, gluten- and dairy-free, and easy to prep.

Reasons you’ll ♡ this soup

  • it's dairy-free and vegan, and gluten-free
  • it's the kind of soup that tastes even better on day 2- perfect for meal prep!
  • it's not spicy and is great for kids

Recipe video

Wondering how this soup recipe comes together? Watch this 1 minute video to see how easy it is to prepare! You can find more of my recipe videos on my YouTube channel.

Don’t forget to pin this recipe to save it for later!

Thai Butternut Squash Soup Recipe (Vegan) - Sweet Peas and Saffron (2)

Let's talk ingredients!

  • Butternut squash - peeled and cubed. Use frozen cubed butternut squash as a shortcut!
  • Other veggies- onion, garlic, and carrots to add extra layers of flavor.
  • Vegetable stock- I've been making my own homemade veggie stock and will share the recipe soon!
  • Lemongrass- the long stalks you see in the photo above. Should be available in the produce section of your grocery store.
  • Lime leaves- we've been able to find fresh lime leaves in our produce section on occasion, but in this case I've used dried lime leaves which I found in the spice aisle. They should also be available at specialty Asian grocery stores.
  • Curry powder - go for a mild curry powder unless you want to up the spice level in this soup.
  • Coconut milk - you want high-quality and full fat coconut milk for the richest, creamiest soup base

Thai Butternut Squash Soup Recipe (Vegan) - Sweet Peas and Saffron (3)

Meal prep tips

Soup is one of my favorite things to use in meal prep as it stores great! Here's some tips for perfect soup:

  • Lemongrass- Peel off outer leaves and bruise the stem by hitting with the dull side of your knife. This helps release all the flavors! Chop into 2-3 inch long pieces to help you fish it out after the cook time is over.
  • Blender- I like to use an immersion blender to blend my soup, but a stand blender would also work. Be very careful so you don't burn yourself!
  • Thickness- you can totally customize how thick you want this soup to be by adding more or less stock. If you want it thicker than pictured, add stock to ½ inch below the butternut squash. For thinner like pictured, cover the squash.
  • Storage- this soup keeps for 4 days in the fridge and 6 months in the freezer! Find my favorite soup storage containers in my shop.

Can I swap out the coconut milk for something else?

The coconut milk really adds nice flavor to this soup, and I don’t recommend skipping it. It may be possible to use heavy cream in place; however, I have not tried and don’t know how this might affect the flavor. If you give it a try, let me know how it turns out in the comments!

Could I make this with chicken stock?

Yes, you can substitute chicken broth for veggie stock if you are not vegan. Try my homemade bone broth recipe!

I can't find lemongrass or lime leaves at a local store... Can I leave them out?

If you can't get locally, check Amazon for fresh lemongrass stalks and fresh lime leaves that are available to be delivered.

I don't recommend skipping these ingredients as they add so much of the citrussy flavor that is essential for flavor in this soup. You could try this Creamy Thai Curry Sweet Potato Soup, which is made with a red curry paste that's easily found in most grocery stores.

Thai Butternut Squash Soup Recipe (Vegan) - Sweet Peas and Saffron (4)

More healthy soup recipes:

  • Caribbean Sweet Potato Soup
  • Thai Slow Cooker Chicken and Wild Rice Soup
  • Thai Curry Sweet Potato and Lentil Soup
  • Healthy Broccoli Cheese Soup
  • Healthier Beef Barley Soup

This post was originally published in 2015. It has been rephotographed and republished in 2020.

Did you make this? Tag me on social @sweetpeasandsaffron and be sure to leave a comment and rate the recipe!

Thai Butternut Squash Soup Recipe (Vegan) - Sweet Peas and Saffron (5)

Thai Butternut Squash Soup

5 from 2 votes

Prep Time: 15 minutes mins

Cook Time: 30 minutes mins

Total Time: 45 minutes mins

A simple and healthy vegan Thai butternut squash soup recipe made with lemongrass and coconut milk! Tastes even better on day 2, is gluten- and dairy-free and easy to prep.

4

Ingredients

  • 1 tablespoon olive oil
  • 1 onion (diced)
  • 3 cloves garlic (minced)
  • 4 cups butternut squash (peeled and cubed)
  • 2 carrots (peeled and sliced)
  • 2 cups stock (or more; enough to cover the veggies)
  • 2 stalks lemongrass (outer leaves removed and cut into 2-inch pieces)
  • 2 lime leaves
  • 1 teaspoon curry powder
  • ½ teaspoon salt
  • 1 coconut milk (full fat)

To serve

  • yogurt or coconut yogurt (to swirl in)

Instructions

  • Heat oil in a medium pot over medium heat.

  • Add the onion, and cook, stirring occasionally, until translucent, 5-7 minutes.

  • Add the garlic and cook for 1 minute, stirring frequently.

  • Add the butternut squash, carrots, stock, lemongrass, lime leaves, curry powder and salt.

  • Cook for 15 minutes, or until butternut squash is soft.

  • **Remove the lemongrass and lime leaves from the pot**

  • Stir in the coconut milk, and puree using an immersion blender until smooth.

  • Reheat gently (do not boil) and serve!

Storage

  • This soup may be stored in the fridge for up to 4 days or in the freezer for up to 6 months.

Tips:

  • you can control the thickness of this soup. If you want it thicker, do not fully cover the butternut squash (½- 1 inch below). If you want it thinner as pictured, fully cover the squash
  • make sure you remove all lemongrass and lime leaves as they have an unpleasant texture in soups

Video

Nutrition Information

Serving: 1/4 batch, Calories: 131kcal, Carbohydrates: 25g, Protein: 2g, Fat: 3g, Sodium: 789mg, Potassium: 657mg, Fiber: 4g, Sugar: 6g, Vitamin A: 20230IU, Vitamin C: 33.9mg, Calcium: 88mg, Iron: 1.5mg

Author: Denise Bustard

Course: Soup

Cuisine: Thai

© Sweet Peas & Saffron - Content and photographs are copyright protected. Sharing of this recipe is both encouraged and appreciated. Copying and/or pasting full recipes to any social media is strictly prohibited.

Meet Denise Bustard

Denise Bustard is the creator of Sweet Peas and Saffron, a meal prep-focussed food blog. With a PhD in biochemistry, Denise takes a scientific approach to perfecting her recipes. You can find Denise's work featured on Huffington Post, MSN, Self and more.

Read more...

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Reader Interactions

Leave a Comment

  1. Paula Rothman says

    whats up with the measurement?

    Reply

    • Jasmine @ Sweet Peas & Saffron says

      Hi Paula, the measurements are in the recipe card - does this answer your question?

      Reply

  2. Laura says

    Hey Denise
    What kind of Stock are you putting in the soup? Veggie/ chicken?

    Reply

    • Denise says

      Hi Laura! You can use either! I typically use chicken stock since that's something I always have in my pantry 🙂

      Reply

  3. Denise says

    Hi Joyce! This soup shouldn't be spicy, unless you have hot curry powder. My medium curry powder was not spicy at all 🙂

    Reply

  4. Denise says

    You and me both!! Thanks, Jessica!

    Reply

  5. aimee @ like mother like daughter says

    I love this twist on traditional butternut squash soup! I'm sure the coconut, curry and lemongrass just make it so delicious!

    Reply

    • Denise says

      Thanks so much, Aimee! I don't think I've ever tried a traditional butternut squash soup, which is kind of crazy considering how obsessed I am with it 🙂

      Reply

  6. Jen | Baked by an Introvert says

    This is the perfect fall soup! Love the lemongrass in here.

    Reply

    • Denise says

      Thanks, Jen! I love lemongrass 🙂 🙂

      Reply

  7. Sarah @Whole and Heavenly Oven says

    I still have yet to fill my soup pot with butternut squash soup this fall, and I think that's changing right now! Um, this soup is freaking gorgeous, Denise! I can only imagine how perfectly the lemongrass and coconut compliment the squash!

    Reply

    • Denise says

      Thank you so much, Sarah! I was totally surprised by how well these flavors went together. For once I nailed it on my first try! 😀

      Reply

  8. Regina says

    This looks like a soup after my own heart! I just took a Thai cooking class and I don't know how I'll ever make soup without lemon grass and kaffir lime leaves again? The flavors are just so amazing!

    Reply

    • Denise says

      I took an 'unofficial' Thai cooking class aka: Ben's mother in law taught me (she used to run a restaurant in phu*kket). I just can't get enough of Thai flavours!

      Reply

  9. Rachel @ Bakerita says

    Oh my goodness, this soup looks so creamy dreamy and heavenly. The lemongrass sounds like a perfect addition. Love this!

    Reply

    • Denise says

      Thanks so much, Rachel! I am craving all things soup these days 😉

      Reply

Thai Butternut Squash Soup Recipe (Vegan) - Sweet Peas and Saffron (2024)

FAQs

How do you make butternut squash soup less bland? ›

I use ground sage and nutmeg which both enhance the flavors of butternut squash and bring out its natural sweetness. Stir in full-fat coconut milk to make this soup extra-creamy, and don't forget the salt and pepper!

How do you reduce the sweetness in butternut squash soup? ›

Dry cooking methods such as roasting and sauteeing tend to bring a squash's sugars to the fore. You might want to blanch or par-cook the squash in a little bit of water before sauteeing; that would diminish the sweetness somewhat but allow you to finish the dish in the prescribed fashion.

Do you need to peel butternut squash for soup? ›

You can eat the skin, so there's no need to peel it. Simply halve it, scoop out the seeds and chop it into chunks, then roast it and add it to a warm winter salad or throw it into curries, stews or soups. You can also roast the seeds and eat them as a snack or sprinkled over a finished dish.

Is butternut squash soup healthy? ›

One cup is loaded with Vitamin A, Vitamin C, Magnesium, and Potassium! Butternut Squash is filled with antioxidants which include vitamin C, vitamin E, and beta-carotene. It's shown that antioxidants can help to prevent and slow down inflammation which may lead to a reduced risk of several chronic diseases.

What is good to add to butternut squash soup? ›

Butternut Squash Soup Ingredients

Onion, celery, carrots, and potatoes: These vegetables give body and depth of flavor to the soup, without overwhelming the squash. Once the vegetables are tender, you may use an immersion blender or blend them in batches using a standing blender to achieve a smooth, creamy texture.

Why is my butternut squash tasteless? ›

According to the horticulture experts at Iowa State University, "butternut squash are mature (ready to harvest) when the skin is hard (can't be punctured with the thumbnail) and uniformly tan in color." If the skin is easy to pierce, the squash is not ripe and will taste starchy, flavorless, and sometimes even bitter.

How do you get the sweet taste out of vegetable soup? ›

Neutralize the sweetness by using one or more simple techniques. Add 1 tbsp. of lemon juice or cider vinegar per quart of soup. Stir well and allow to simmer for two to three minutes.

Why does my homemade soup taste sweet? ›

Carrots and parsnips have a fair amount of sugar in them and can make a soup or gravy sweet if you use too many. Ditto onions, but if you only used one that won't be the culprit. Perhaps not the pickle next time.

What adds sweetness to soup? ›

To add sweetness without sugar, try coconut, vanilla, or date, suggests Clean Eating Magazine, but for many soup recipes, sugar can help turn up the flavor volume of the original recipe.

How do you thicken butternut squash soup? ›

How do I thicken butternut squash soup? If you find the soup is too thin, try adding pureed white beans to the soup. You can also use a small amount of cornstarch or arrowroot powder mixed with water (called a slurry) to thicken it up. Use a 1-to-2 ratio (for example, 1 teaspoon of cornstarch to 2 teaspoons of water).

Can dogs eat butternut squash? ›

Generally, butternut squash is safe to feed to most pooches, unless your vet has advised otherwise. As a guide, we would recommend feeding small dogs no more than 1 or 2 teaspoons of butternut squash, whilst bigger dogs can eat up to 3 or 4 tablespoons of butternut squash.

What protein goes well with butternut squash soup? ›

What Protein Goes With Butternut Squash Soup? – 7 Tasty Ideas
  • Grilled Chicken. Give your butternut squash soup a delightful twist by adding a simple yet delicious grilled chicken breast, infused with aromatic herbs. ...
  • Shrimp. ...
  • Toasted Chickpeas. ...
  • Bacon Bits. ...
  • Sausage. ...
  • Turkey Meatballs. ...
  • Pulled Pork.
Feb 8, 2024

Can you eat too much butternut squash? ›

Special Precautions and Warnings. When taken by mouth: Butternut is POSSIBLY SAFE for most people, but it can cause diarrhea and irritation of the stomach and intestines. Pregnancy and breast-feeding: It's LIKELY UNSAFE to use butternut in large amounts if you are pregnant or breast-feeding.

What does butternut squash do for the gut? ›

Butternut squash contains considerable amounts of fiber, which can help you keep a healthy weight and regulate bowel movements. It's known to help prevent colorectal cancer while the beta-carotene in butternut squash can also improve eye health.

Is butternut squash a good or bad carb? ›

Butternut squash is a low-calorie food and is packed with nutrients. While it's higher in carbs than some other veggies, its low glycemic index (a ranking of how carbs affect blood sugar) still makes it a healthy choice for most people.

How do I fix bland tasting soup? ›

Use fresh, good quality ingredients like vegetables and herbs. Add a little bit of vinegar or lemon juice to your soup to make it taste better. Use a high-quality broth or stock as a base for your soup. Roast or caramelize your vegetables before adding them to your soup to bring out their natural sweetness.

How do you rescue bland soup? ›

If a soup is tasting bland in the bowl, consider adding acid rather than salt. A squeeze of lemon or lime, or a dash of yogurt or sour cream can add brightness to the bowl. Our Lemony Chicken Soup will make your mouth water.

How do you salvage bland soup? ›

Not enough depth: A well-rounded soup has multiple layers of flavour, including acidity, umami, and sweetness. If your soup is missing any of these, it may taste bland. Adding ingredients like vinegar or lemon juice for acidity, parmesan cheese for umami, or even a touch of sweetness can make a world of difference.

How do you keep soup from being bland? ›

Add acidity: A squeeze of lemon or lime juice, a dash of vinegar, or a splash of wine can brighten the flavors of a soup and make it taste more complex. Experiment with different cooking methods: Roasting or caramelizing vegetables before adding them to the soup can bring out thei.

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