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The Thai-style vegan butternut squash soup with coconut milk is perfect for cold winter nights and brings plenty of warmth and contentment without being heavy or overly bulky. It’s a flavorful roasted butternut squash soup flavored with the spiciness of chilies and the slight sweetness of coconut milk – it’s sure to be a hit.

Nothing says fall like a cozy butternut squash soup! It makes a hearty, warming meal that’s perfect for a chilly night.
This Vegan Butternut Squash Soup recipe is a little different than most! It has a lot of spice, is perfectly creamy and is full of flavor.
Are you a lover of Thai cuisine? If yes, you must try this Easy Thai Basil Tofu, Tofu Pad Thai and Vegan Thai Pizza Recipe.
Why this recipe works
- Great taste! The combination of sweet, tangy and creamy is truly divine!
- Easy to do it on time and warm up.
- Adjust the flavors easily according to your own taste.
What’s in this recipe
What comes to mind when you think of Thai flavors and ingredients? There are so many signature elements in beloved Thai cuisine! Let’s look at the highlights of what you need to make this sweet and spicy soup.

- Butternut Squash: This slightly sweet winter squash is roasted in the oven before being mashed into a silky smooth soup.
- aromatics: Onion, garlic, and ginger give this vegan butternut squash soup the first flavor.
- Lemongrass: Another emblematic ingredient in Thai cuisine, lemongrass is a long leek-like herb with a strong lemon flavor that adds a very unique flavor to Thai dishes.
- coconut milk: A true staple of Thai cuisine, this creamy plant-based milk will add creaminess to most dishes and bring out all the flavors.
- tomato paste: Adds depth of flavor and more umami to the soup.
- Thai Bird Chilies: Thai Bird Chilis are small, red, very hot, and widely used in other Thai dishes (and other Asian cuisines). If you can’t find them, you can use serrano peppers instead.
- lime juice: Use freshly squeezed lime for a little sparkle in the soup that will round out all the other flavors.
- Garnish: Coriander leaves, finely chopped green onions, olive oil, and sriracha make great garnishes. Use them all or choose your favorites.
How to Make Roasted Butternut Squash Soup
Here’s an overview of the steps to make this delicious Thai butternut squash soup. See the recipe card further down the page for details.
- 1) Roast the butternut squash. Halve the butternut squash lengthways. Remove the seeds and fibrous pieces, prick the skin of each piece halfway with a fork and quickly spray all sides of each piece with cooking spray or brush lightly with oil.

TOP TIP: Microwaving the squash for a minute or two will help soften the squash and make it easier and safer to cut in half. Be sure to prick the skin a few times with the tip of a knife before microwave it so nothing explodes inside your microwave.
- 2) Location Place the squash cut-side down on the baking sheet and bake for 40 minutes.


- 3) Removed Remove from the oven, allow to cool and remove the flesh from the skin. Place the pulp in a bowl and set aside.


TOP TIP: You only need half the squash for this recipe, but it never hurts to use half a cooked squash for recipes like these Butternut Squash Sage Cookies, Butternut Squash Mac-n-Cheese and this Creamy Curry Butternut Squash Have lentil soup on hand.
- 4) heat the oil in a saucepan over medium heat and add the onion. Cook for 5-8 minutes or until tender.

- 5) Add to Pumpkin, garlic, ginger, lemongrass, coconut milk and tomato paste to the onions. Bring to a boil and simmer until heated through, about 10 minutes.



- 6) Transfer Place in a blender (in batches if needed), add the chilies, lime juice, salt and water and blend until smooth.





- 7) To return the mixed soup into the pot. Feel free to experiment and adjust the spices as you like. Reheat if necessary, then transfer to bowls.
- 8th) garnish with coriander leaves, chopped green onions and drizzles of olive oil and sriracha.
Expert tips and FAQs
- Add some crunch. Garnish with toasted pumpkin seeds or some pumpkin seeds.
- store leftovers in the refrigerator for up to five days or in the freezer for up to three months. Reheat the leftovers in a saucepan on the stove.
- For less spicereduce the amount of chilies, making sure to remove the seeds and skins that contain the most heat.
Butternut squash is naturally sweet and pairs well with spicy, fragrant, and other sweet ingredients. You’ll find a combination of all of these flavors in this vegan butternut squash soup recipe.
Yes, it is! Butternut squash is packed with lots of nutrients, but most importantly lots of vitamin A, which is great for your eye health and more. It’s also hearty and high in fiber, making it a satisfying mealtime option.

More butternut squash recipes
Photos by Alfonso Revilla
Preheat the oven to 204 degrees C. Line a baking sheet with aluminum foil. Halve the butternut squash lengthways. (Microwaving the squash for a minute or two can help soften it and make it easier — and safer — to cut it in half. If you’re going to microwave it, be careful not to use the tip of a knife (putting a few good pricks in the skin won’t end up exploding inside your microwave.) Prick the skin of each half a few times with a fork, scoop out the seeds and stringy bits, then quickly spray all surfaces with cooking spray a. (Or lightly brush with a little oil.) Place cut-side down on baking sheet and bake for 40 minutes. Remove from the oven, allow to cool and remove the flesh from the skin, place in a bowl and set aside. (You only need half the squash for this recipe, but it never hurts to have half a cooked squash on hand.)
Heat the oil in a saucepan over medium heat. Add the onion and sauté for 5-8 minutes until soft. Add the pumpkin, garlic, ginger, lemongrass, coconut milk and tomato paste, bring to a boil and simmer until heated through, about 10 minutes. Place in a blender (in batches if needed), add chilies, lime juice, salt and water and blend until smooth. (Alternatively, add chilies, lime, salt, and water to the saucepan and puree with an immersion blender.) Return to the saucepan, season, and heat until ready to serve. Transfer to bowls and garnish with coriander leaves, chopped green onions, and a little olive oil and sriracha.
- Add some crunch. Garnish with toasted pumpkin seeds or some pumpkin seeds.
- store leftovers in the refrigerator for up to five days or in the freezer for up to three months. Reheat the leftovers in a saucepan on the stove.
- For less spicereduce the amount of chilies, making sure to remove the seeds and skins that contain the most heat.
Calories: 303kcalCarbohydrates: 29GProtein: 4GFat: 22GSaturated Fatty Acids: 16GPolyunsaturated fat: 1GMonounsaturated fatty acids: 3GTrans fats: 0.01GSodium: 926mgPotassium: 972mgFiber: 4GSugar: 6GVitamin A: 20013ieVitamin C: 48mgCalcium: 119mgIron: 5mg
Disclaimer: While plantbasedonabudget.com tries to provide accurate nutritional information, please note that these are estimates only. Nutritional information may be affected by product type, brand purchased and in other unpredictable ways. Plantbasedonabudget.com shall not be liable for any loss or damage arising from your reliance on nutritional information. If you need to follow a specific calorie regimen, please consult your doctor first.
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