Amazing Roasted Butternut Squash Soup: 1 Fall Favorite

September 22, 2025
Written By Claire Sterling

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Oh, autumn! There’s just something magical about this time of year, isn’t there? The crisp air, the changing leaves, and of course, all those cozy, comforting flavors. For me, nothing says fall quite like a steaming bowl of Roasted Butternut Squash Soup. It’s more than just a soup; it’s pure comfort in a bowl! My grandmother used to make the most incredible things from scratch, and this soup reminds me so much of her kitchen, overflowing with love and the scent of simmering goodness. We’ve tested and perfected this recipe here at Bliss Batter so you can easily capture that same delicious, deep flavor that comes from oven-roasting the squash and using just a few simple spices. Trust me, this is your new go-to for a healthy, heartwarming meal!

Why You’ll Love This Roasted Butternut Squash Soup

This isn’t just any soup; it’s a bowl of pure autumn magic! You’re going to adore how effortlessly creamy and flavorful this easy butternut squash soup is. Plus, it’s a fantastic way to enjoy that gorgeous fall harvest goodness. Here’s why it’s going to be your new favorite:

  • So Easy: Seriously, the oven does most of the work!
  • Incredible Flavor: Roasting the squash really brings out its natural sweetness.
  • Cozy & Comforting: Perfect for chilly evenings as autumn comfort food.
  • Healthy & Wholesome: Packed with veggies and simple spices, it’s a nutritious delight.

Ingredients for Roasted Butternut Squash Soup

Alright, let’s talk ingredients! This soup is wonderfully simple, and that’s part of its charm. You really don’t need much to get that rich, comforting flavor. Here’s what you’ll want to have on hand:

  • 2 pounds butternut squash, peeled, seeded, and cut into about 1-inch cubes
  • 2 tablespoons olive oil, divided
  • 1 large onion, chopped
  • 2 cloves garlic, minced
  • 4 cups vegetable broth
  • 1/2 teaspoon salt, maybe a little more to taste
  • 1/4 teaspoon black pepper, freshly ground is best!
  • 1/4 teaspoon ground nutmeg – just a pinch!
  • 1/4 teaspoon ground cinnamon
  • 1/2 cup heavy cream (totally optional, but it makes it extra decadent!)

Equipment You’ll Need

To whip up this dreamy creamy roasted squash soup, you won’t need a whole professional kitchen! Just a few trusty tools will do the trick:

  • Baking sheet
  • Large pot or Dutch oven
  • Cutting board and knife
  • Measuring cups and spoons
  • Blender (either a countertop one or an immersion blender)

How to Prepare Your Roasted Butternut Squash Soup

Okay, team, let’s get cooking! Making this Roasted Butternut Squash Soup is a real joy, and honestly, it’s pretty straightforward once you get into the rhythm. The oven does a lot of the heavy lifting here, coaxing out all that amazing sweetness from the squash. Just follow these steps, and you’ll have pure autumn comfort in a bowl in no time!

Roast the Butternut Squash

First things first, we need to get our star ingredient, the butternut squash, ready for its close-up. Preheat your oven to a nice hot 400°F (200°C). While it’s warming up, grab a baking sheet and toss those lovely cubed squash pieces with about a tablespoon of olive oil, a good pinch of salt, and a grind of black pepper. Spread them out in a single layer – this is key for getting those beautiful caramelized edges! Roast them for about 25-30 minutes. You’re looking for them to be fork-tender and just starting to get those lovely golden-brown, slightly sweet spots. That caramelization is where all the magic happens! Craving more roasted veggies? Check out these air fryer zucchini fries for another easy side!

Sauté Aromatics

While your squash is doing its thing in the oven, let’s get the flavor base going in your pot. Heat the other tablespoon of olive oil over medium heat. Toss in your chopped onion and let it soften up, stirring occasionally, for about 5-7 minutes until it looks nice and translucent. Then, add your minced garlic and cook for just another minute until you can really smell it. Don’t let the garlic burn – burnt garlic is bitter, and we don’t want that here!

Simmer and Blend the Soup

Now it’s time to bring everything together! Carefully add your gorgeous roasted butternut squash to the pot with the onions and garlic. Pour in the vegetable broth, and sprinkle in that pinch of nutmeg and cinnamon. Give it a good stir. Bring this lovely mixture up to a gentle simmer, then reduce the heat, pop a lid on (slightly ajar is fine!), and let it cook for about 10 minutes. This lets all those incredible fall flavors really merry-make. Once it’s simmered, this is where the magic happens! For the smoothest soup, carefully transfer it to a blender in batches – seriously, hot liquids expand, so don’t overfill your blender, and hold that lid down tight with a towel! Or, if you have one, an immersion blender makes this part a breeze, right in the pot. Just whiz it all up until it’s luxuriously smooth and creamy.

Finish and Serve Your Creamy Roasted Squash Soup

Once your soup is perfectly puréed, pour it back into the pot if you used a countertop blender. If you’re using heavy cream for that extra velvety touch, stir it in now. Gently heat the soup through, but watch out – you don’t want it to boil once the cream is in. And there you have it! Ladle your beautiful, creamy roasted squash soup into bowls. I love to garnish mine with some toasted pumpkin seeds or a little swirl of extra cream, but it’s absolutely delicious just as it is. So comforting and perfect for a lovely fall meal!

Tips for the Best Roasted Butternut Squash Soup

Making a truly spectacular Roasted Butternut Squash Soup is all about a few little tricks that make a big difference. I’ve learned over the years that the details really matter, especially when you want that rich, comforting flavor that just sings of autumn. First off, don’t skip roasting the squash – it’s NOT the same as just boiling it! Roasting caramelizes those natural sugars, giving you this amazing depth that’s impossible to get otherwise. Make sure your cubes are roughly the same size so they cook evenly. And when it comes to spices, a little nutmeg and cinnamon go a long way to warm things up, but don’t be afraid to add a whisper of ginger or even a tiny pinch of cayenne if you like a little kick! For an extra bit of flavor complexity, I sometimes add a splash of maple syrup to the roasting squash – just a tiny drizzle! It really perks up that natural sweetness. If you’re looking for other fall treats, you absolutely have to try my easy peach cobbler recipe – it’s divine!

Ingredient Notes and Substitutions

Let’s chat about the stars of this soup! The butternut squash is key, of course. For the best flavor, choose a squash that feels heavy for its size and has a nice, even tan color. If you can’t find butternut, don’t panic! Acorn squash or kabocha squash work beautifully too – they’ll give you a similar creamy texture and sweet, nutty flavor. Just make sure to adjust the roasting time a bit as they can cook faster or slower. Now, about that creamy goodness: the heavy cream adds a luxurious richness, but if you’re looking for a dairy-free or vegan version of this healthy seasonal soup, swapping it out is super simple! Full-fat coconut milk (just the thick part from the top of the can!) gives a wonderful creaminess without any coconut flavor dominating. You can also use a dollop of unsweetened plant-based yogurt right before serving for a little tang and creaminess.

Make-Ahead and Storage Instructions

This soup is a dream for busy weeks! You can totally make it ahead of time. Just let it cool completely after blending, then pop it into an airtight container in the fridge for up to 3-4 days. When you’re ready to eat, gently reheat it on the stove over medium-low heat until it’s nice and warm, or even zap it in the microwave. Just remember not to let it boil if you’ve added cream!

Frequently Asked Questions about Roasted Butternut Squash Soup

Got questions about whipping up this gorgeous creamy butternut squash soup? I’ve got answers! This recipe is pretty flexible, and I want to make sure you feel super confident making it. Here are a few things people often ask!

Can I freeze Roasted Butternut Squash Soup?

Oh yes, you absolutely can! This soup freezes beautifully. Just let it cool down completely, then store it in airtight containers or freezer bags for up to 3 months. When you’re ready to enjoy it, thaw it in the fridge overnight and then gently reheat it on the stove. It’s like capturing a taste of fall to enjoy any time!

How do I make this soup vegan?

Making this a wonderfully vegan, healthy seasonal soup is a breeze! Just skip the heavy cream altogether in step 10, or swap it for about 1/2 cup of full-fat coconut milk (the thick part from the top of the can works wonders!). It still gives you that lovely creamy texture without any dairy. Easy peasy!

What can I use instead of butternut squash?

If you can’t get your hands on butternut squash, no worries! This recipe is super forgiving. Acorn squash, kabocha squash, or even hubbard squash make fantastic substitutes. They’ll give you that similar sweet, slightly nutty flavor and creamy texture. You might just need to adjust the roasting time a little bit depending on the squash you choose.

Nutritional Information (Estimated)

Just in case you’re curious about the nitty-gritty! Here are the estimated nutritional facts per serving (about 1.5 cups) for this delicious Roasted Butternut Squash Soup. Please remember, these are just estimates, especially if you choose to add cream or make substitutions. It’s a healthy and satisfying part of a balanced meal planning strategy, packed with goodness!

  • Serving Size: 1.5 cups
  • Calories: 250
  • Fat: 12g
  • Saturated Fat: 5g
  • Carbohydrates: 35g
  • Fiber: 8g
  • Protein: 4g
  • Sugar: 15g
  • Sodium: 600mg
  • Cholesterol: 20mg

Share Your Autumn Comfort Food Creation!

I just love hearing from you all! Did you make this wonderful autumn comfort food? Please leave a comment below and let me know how it turned out, or give it a little star rating! I’m always so curious about your kitchen adventures. And if you snap a pic, tag us on social media – I’d be thrilled to see your beautiful bowls of pure autumn delight! You can also learn more about our story here.

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Roasted Butternut Squash Soup

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A creamy and comforting soup perfect for autumn, featuring the deep flavor of oven-roasted butternut squash and simple spices.

  • Author: Claire
  • Prep Time: 20 min
  • Cook Time: 40 min
  • Total Time: 60 min
  • Yield: 6 servings 1x
  • Category: Soup
  • Method: Roasting and Simmering
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

Scale
  • 2 pounds butternut squash, peeled, seeded, and cubed
  • 2 tablespoons olive oil
  • 1 large onion, chopped
  • 2 cloves garlic, minced
  • 4 cups vegetable broth
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1/4 teaspoon ground nutmeg
  • 1/4 teaspoon ground cinnamon
  • 1/2 cup heavy cream (optional)

Instructions

  1. Preheat your oven to 400°F (200°C).
  2. Toss the cubed butternut squash with 1 tablespoon of olive oil, salt, and pepper on a baking sheet.
  3. Roast for 25-30 minutes, or until tender and lightly caramelized.
  4. While the squash roasts, heat the remaining 1 tablespoon of olive oil in a large pot or Dutch oven over medium heat.
  5. Add the chopped onion and cook until softened, about 5-7 minutes.
  6. Add the minced garlic and cook for 1 minute more until fragrant.
  7. Add the roasted butternut squash, vegetable broth, nutmeg, and cinnamon to the pot.
  8. Bring to a simmer, then reduce heat and cook for 10 minutes to allow flavors to meld.
  9. Carefully transfer the soup to a blender (in batches if necessary) or use an immersion blender to puree until smooth.
  10. Return the soup to the pot. Stir in the heavy cream, if using.
  11. Heat gently until warmed through. Do not boil.
  12. Serve hot.

Notes

  • For a vegan option, omit the heavy cream or use full-fat coconut milk.
  • Add a pinch of cayenne pepper for a little heat.
  • Garnish with toasted pumpkin seeds or a swirl of cream.

Nutrition

  • Serving Size: 1.5 cups
  • Calories: 250
  • Sugar: 15g
  • Sodium: 600mg
  • Fat: 12g
  • Saturated Fat: 5g
  • Unsaturated Fat: 7g
  • Trans Fat: 0g
  • Carbohydrates: 35g
  • Fiber: 8g
  • Protein: 4g
  • Cholesterol: 20mg

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