This Roasted Butternut Squash Soup recipe is the one I make on repeat once the weather turns cold.
Roasting the squash first is the whole trick here. It caramelizes the edges and pulls out a natural sweetness that a stovetop version just cannot match.
The soup comes together with basic pantry staples, a handful of warm spices, and about ten minutes of hands on prep.
The rest of the time, your oven and blender do the heavy lifting.
I love serving this in the fall alongside my roasted carrot ginger soup when I want two cozy soups on the table for a crowd.
| Quick Recipe Summary | |
|---|---|
| Prep Time | 15 minutes |
| Cook Time | 50 minutes |
| Total Time | 65 minutes |
| Servings | 6 servings |
| Difficulty Level | Easy |
Why You’ll Love This Roasted Butternut Squash Soup Recipe
This soup checks every box for a fall staple. It’s creamy without needing much cream, naturally sweet from the roasted squash, and easy enough for a weeknight.
It also happens to be one of those recipes that tastes even better the next day, which makes it a great make ahead option for busy weeks or holiday menus.
- Deep, caramelized flavor from roasting instead of boiling the squash
- Naturally gluten free and easy to make dairy free
- Just one pot needed after the squash comes out of the oven
- Freezes beautifully for up to three months
- Dresses up easily for a dinner party or stays simple for a weeknight bowl
For more cozy options this time of year, check out this collection of fall soup recipes.
Ingredients
You only need a handful of ingredients for this soup, and most of them are already sitting in your pantry.
- 1 large butternut squash (about 3 pounds), peeled, seeded, and cut into 1 inch cubes
- 3 tablespoons olive oil, divided
- 1 large yellow onion, chopped
- 4 cloves garlic, unpeeled
- 4 cups vegetable broth or chicken broth
- 2 fresh sage leaves
- 1/2 teaspoon ground cinnamon
- 1/4 teaspoon ground nutmeg
- 1/4 teaspoon cayenne pepper, optional
- 1/2 cup heavy cream, optional
- Kosher salt and freshly ground black pepper, to taste
- Roasted pepitas, for garnish
If you love the sweet and warm flavor combination here, you’ll probably also enjoy my curried butternut squash soup for a spicier take on the same base.
Kitchen Equipment Needed
Nothing fancy is required here, just a few basics that make roasting and blending go smoothly.
- Rimmed baking sheet
- Parchment paper
- Large stockpot or Dutch oven
- Immersion blender or standing blender
- Sharp chef’s knife
- Cutting board
- Wooden spoon
Read Also: Broccoli Cheddar Soup
Recommended Products for This Recipe
These are a few tools and ingredients I personally reach for whenever I make this soup, based on years of testing it in my own kitchen.
1. Immersion Blender
An immersion blender lets you puree the soup right in the pot, which means fewer dishes and no risk of hot liquid splashing out of a countertop blender.
It also gives you more control over the final texture if you like your soup a little chunkier.
2. Enameled Cast Iron Dutch Oven
A heavy Dutch oven holds heat evenly, which matters once you start simmering the pureed soup and adjusting the seasoning.
Mine has lasted years of soup season after soup season without a scratch on the enamel.
3. Nonstick Rimmed Baking Sheet
A good heavy duty baking sheet roasts the squash evenly without hot spots that burn the edges before the centers soften.
It’s a small upgrade that makes a noticeable difference in this recipe.
4. Roasted Pepitas
A handful of roasted pepitas on top adds crunch and a toasty, nutty flavor that plays really well against the smooth soup.
I always keep a bag on hand once fall soup season starts.
I used a similar approach to build up flavor in my apple butternut squash soup, if you want another version to try this season.
Step-by-Step Instructions: How to Make Roasted Butternut Squash Soup
1. Prep and Roast the Butternut Squash
- Preheat your oven to 425 degrees Fahrenheit and line a large rimmed baking sheet with parchment paper.
- Peel the butternut squash with a sharp vegetable peeler, then slice it in half lengthwise and scoop out the seeds with a spoon.
- Cut the squash into roughly 1 inch cubes so the pieces roast evenly and finish cooking around the same time.
- Spread the cubed squash and chopped onion in a single layer on the prepared baking sheet, then drizzle with 2 tablespoons of olive oil.
- Toss everything together with your hands or a spoon so the squash and onion are evenly coated, then season generously with salt and pepper.
- Tuck the 4 unpeeled garlic cloves into the corner of the pan so they roast alongside the squash without burning.
2. Roast Until Deeply Caramelized
- Place the baking sheet in the oven and roast for 30 to 35 minutes, stirring once halfway through so the pieces brown evenly.
- The squash is ready when it is fork tender and the edges have started to turn golden brown and slightly caramelized.
- Remove the pan from the oven and let the squash cool for 5 minutes, then squeeze the roasted garlic cloves out of their skins and set them aside with the squash.
3. Sauté the Remaining Aromatics
- While the squash roasts, warm the remaining 1 tablespoon of olive oil in your Dutch oven or large stockpot over medium heat.
- Add the sage leaves and let them sizzle gently for about 1 minute to infuse the oil, then remove and discard the leaves.
- This step is optional, but it builds an extra layer of savory flavor into the base of the soup before the squash goes in.
4. Blend the Soup
- Transfer the roasted squash, onion, and garlic into the pot with the infused oil.
- Pour in the 4 cups of vegetable or chicken broth.
- Use an immersion blender to puree everything directly in the pot until completely smooth, working in batches with a standing blender if that is what you have on hand.
5. Simmer and Season
- Bring the pureed soup to a gentle simmer over medium low heat, stirring occasionally so nothing sticks to the bottom of the pot.
- Stir in the ground cinnamon, ground nutmeg, and cayenne pepper if using.
- Let the soup simmer uncovered for 10 minutes so the flavors have time to come together, then taste and adjust the salt and pepper.
6. Finish with Cream and Serve
- Remove the pot from the heat and stir in the heavy cream, if using, until the soup turns a shade lighter and looks silky.
- Ladle the soup into bowls and top each one with a scattering of roasted pepitas.
- Serve immediately while hot, alongside crusty bread for dipping.
Want to see the same roasting technique applied to a different vegetable? My roasted cauliflower soup uses this exact method.
Tips for The Best Roasted Butternut Squash Soup
A few small adjustments can make a big difference in how this soup turns out, especially if it’s your first time making it.
- Cut the squash into uniform pieces so everything roasts at the same rate
- Don’t skip stirring halfway through roasting, it prevents burnt edges and pale centers
- Roast the garlic whole and unpeeled so it turns soft and mellow instead of bitter
- Add the cream off the heat so it doesn’t separate or curdle in the hot soup
- Thin the soup with extra broth a quarter cup at a time if it’s thicker than you like
- Taste and re-season after blending, since pureeing can mute the seasoning
My sweet potato soup uses a lot of the same roasting tips if you want to compare notes on technique.
Serving Suggestions
This soup is rich enough to stand on its own, but it also pairs beautifully with a few classic sides.
I like keeping the sides simple so the squash flavor stays front and center in the bowl.
- A warm slice of crusty sourdough or a soft buttery dinner roll for dipping
- A crisp green salad with a light vinaigrette to balance the richness
- A classic grilled cheese sandwich for dunking
- A sprinkle of crumbled bacon or crispy shallots for crunch
- A drizzle of extra cream or a swirl of plain yogurt for a restaurant style finish
Variations of Roasted Butternut Squash Soup
Once you have the base recipe down, it’s easy to customize it to whatever you’re craving.
- Swap the cinnamon and nutmeg for curry powder and a splash of coconut milk for a Thai inspired twist
- Add a diced apple to the roasting pan for extra natural sweetness
- Stir in a spoonful of maple syrup for a sweeter, dessert-adjacent version
- Roast a jalapeno alongside the squash for a soup with some heat
- Top with crispy sage leaves instead of pepitas for a more elegant presentation
Feeling like something heartier? Try turning these same roasted flavors into my butternut squash chili instead.
Storage and Reheating
This soup stores well, which makes it a great candidate for meal prep or make ahead holiday cooking.
- Let the soup cool completely before storing, then refrigerate in an airtight container for up to 5 days
- Freeze in freezer safe containers or bags for up to 3 months
- Thaw overnight in the refrigerator before reheating
- Reheat gently on the stovetop over medium low heat, stirring often, or in the microwave in 1 minute intervals
- Add a splash of broth or water while reheating if the soup has thickened in the fridge
If you’re building out a soup rotation for the season, my pumpkin soup stores and reheats almost exactly the same way.
Nutritional Facts
| Nutrition (per serving, approx.) | |
|---|---|
| Calories | 180 kcal |
| Carbohydrates | 24g |
| Protein | 3g |
| Fat | 9g |
| Saturated Fat | 4g |
| Fiber | 5g |
| Sugar | 6g |
| Sodium | 480mg |
Values are estimates and will vary based on the broth, cream, and garnishes you use.
Read Also: Lentil Soup
Health Benefits of Key Ingredients
Beyond tasting great, this soup is built around a few genuinely nourishing ingredients.
- Butternut squash is high in vitamin A and fiber, which supports eye health and digestion
- Garlic and onion both contain compounds linked to immune support, especially useful during cold and flu season
- Sage has long been used in traditional cooking for its antioxidant properties
- Pepitas add plant based protein, magnesium, and a satisfying crunch
- Using broth as the base keeps the soup lighter than cream based alternatives while still feeling indulgent
For another vegetable-forward soup with similar benefits, take a look at my mushroom soup.
FAQs About Roasted Butternut Squash Soup
1. Can I make this soup ahead of time?
Yes, this soup actually tastes better the next day once the flavors have had time to develop.
Make it up to 2 days ahead and store it covered in the refrigerator until you’re ready to reheat and serve.
2. Do I need to peel the squash before roasting?
I recommend peeling it first for the smoothest final texture, since the skin can turn tough and fibrous even after roasting.
If you prefer, you can roast the squash unpeeled and scoop out the flesh afterward, discarding the skin before blending.
3. How do I make this soup dairy free?
Simply leave out the heavy cream or replace it with full fat coconut milk for a similar creamy texture.
The soup is naturally rich enough from the roasted squash that many people don’t miss the dairy at all.
4. Can I use frozen butternut squash instead of fresh?
Yes, frozen cubed squash works in a pinch, though you’ll lose some of the caramelization you get from roasting fresh squash.
Toss the frozen cubes with oil and roast them a few minutes longer since they hold extra moisture.
5. Why is my soup too thin or too thick?
If the soup is too thick, stir in extra broth a quarter cup at a time until it reaches the consistency you like.
If it’s too thin, simmer it uncovered for a few extra minutes to reduce, or whisk in a small cornstarch and water slurry.
Curious what else is on the menu this time of year? Browse this list of Thanksgiving recipes for more fall inspiration.
Roasted Butternut Squash Soup
Ingredients
- 1 butternut squash large, about 3 pounds, peeled, seeded, and cut into 1-inch cubes
- 3 tablespoons olive oil divided
- 1 yellow onion large, chopped
- 4 cloves garlic unpeeled
- 4 cups vegetable broth or chicken broth 960ml
- 2 sage leaves fresh
- 1/2 teaspoon ground cinnamon 2.5ml
- 1/4 teaspoon ground nutmeg 1.25ml
- 1/4 teaspoon cayenne pepper 1.25ml, optional
- 1/2 cup heavy cream 120ml, optional
- Kosher salt to taste
- freshly ground black pepper to taste
- roasted pepitas for garnish
Equipment
- Rimmed baking sheet
- Parchment paper
- Large stockpot or Dutch oven Enameled cast iron recommended for even heat
- Immersion blender or standing blender Immersion blender recommended for fewer dishes
- Sharp chef’s knife
- Cutting board
- Wooden spoon
- Vegetable peeler
Method
- Preheat oven to 425°F and line a rimmed baking sheet with parchment paper.
- Peel the butternut squash, halve lengthwise, scoop out seeds, and cut into 1-inch cubes.
- Spread cubed squash and chopped onion on prepared baking sheet. Drizzle with 2 tablespoons olive oil, toss to coat, and season generously with salt and pepper. Tuck unpeeled garlic cloves into the corner of the pan.
- Roast for 30-35 minutes, stirring once halfway through, until squash is fork-tender and edges are golden brown and caramelized.
- Remove from oven, cool for 5 minutes, then squeeze roasted garlic cloves from their skins and set aside with the squash.
- While squash roasts, warm remaining 1 tablespoon olive oil in Dutch oven over medium heat. Add sage leaves and sizzle for 1 minute, then remove and discard sage.
- Transfer roasted squash, onion, and garlic to the pot with infused oil. Pour in broth.
- Using an immersion blender, puree until completely smooth. (Use a standing blender in batches if needed.)
- Bring pureed soup to a gentle simmer over medium-low heat, stirring occasionally. Stir in cinnamon, nutmeg, and cayenne (if using). Simmer uncovered for 10 minutes.
- Taste and adjust salt and pepper. Remove from heat and stir in heavy cream, if using.
- Ladle into bowls, top with roasted pepitas, and serve hot with crusty bread for dipping.
Nutrition
Notes
- Cut the squash into uniform pieces so everything roasts at the same rate.
- Don’t skip stirring halfway through roasting—it prevents burnt edges and pale centers.
- Roast the garlic whole and unpeeled so it turns soft and mellow instead of bitter.
- Add the cream off the heat so it doesn’t separate or curdle in the hot soup.
- Thin the soup with extra broth a quarter cup at a time if it’s thicker than you like.
- Taste and re-season after blending, since pureeing can mute the seasoning.
- For a dairy-free version, leave out the heavy cream or replace it with full-fat coconut milk.
- This soup freezes beautifully for up to 3 months—cool completely before freezing in airtight containers.
- Make ahead up to 2 days in advance; it actually tastes better the next day as flavors develop.
- Swap cinnamon and nutmeg for curry powder and coconut milk for a Thai-inspired twist, or add a diced apple to the roasting pan for extra sweetness.
Private Notes
Tried this recipe?
Let us know how it was!Conclusion
This Roasted Butternut Squash Soup has earned a permanent spot in my fall and winter rotation.
It’s simple enough for a weeknight, but special enough to serve when company comes over.
Give it a try this week and let me know how it turns out in the comments below.
If you make it, I’d love to see a photo, so feel free share it here with me or share this recipe with a friend who loves cozy soup season as much as I do.
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