Roasted Broccoli Butternut Squash Soup

Featured in: Home Table Recipes

This roasted broccoli and butternut squash soup delivers deep, caramelized flavors by first roasting the vegetables at high heat. The natural sweetness of squash pairs beautifully with broccoli's earthy notes, while coconut milk creates luxurious texture. Warm spices like cumin and nutmeg enhance the roasted flavors, making each bowl satisfying and nourishing.

Perfect for meal prep, this soup comes together in just 55 minutes with simple techniques. Roasting concentrates the vegetable flavors before blending into silky smoothness. The result is a restaurant-quality soup that's naturally vegetarian, gluten-free, and packed with vitamins.

Updated on Wed, 28 Jan 2026 10:35:00 GMT
Creamy roasted broccoli and butternut squash soup garnished with toasted pumpkin seeds and parsley.  Pin It
Creamy roasted broccoli and butternut squash soup garnished with toasted pumpkin seeds and parsley. | casaflavors.com

The sky was that bruised shade of purple that always signals a deep frost is coming. I had a lonely butternut squash on the counter and a head of broccoli that had seen better days. Roasting them together felt like a desperate attempt to save the groceries but the smell that filled the kitchen changed everything. It was earthy sweet and exactly what my cold toes needed.

Last Tuesday my neighbor popped over just as I was blending this up. We ended up sitting on the floor by the radiator bowls in hand talking until the soup was long gone. There is something about the vibrant orange color that makes the whole room feel warmer. It is the kind of meal that invites long conversations.

Ingredients

  • Butternut Squash: Cubing this can be a workout so I always use a sharp peeler to get through that tough skin.
  • Broccoli Florets: Do not toss the stems because they soften up beautifully in the oven and add great texture.
  • Yellow Onion: I like to chop these into big chunks since they get nice and sweet when they brown.
  • Garlic: Roast these in their skins if you want a milder almost buttery garlic flavor in the final blend.
  • Vegetable Broth: Use a low sodium version so you can control the salt levels at the very end.
  • Coconut Milk: This provides a velvety finish that keeps the whole dish light and plant based.
  • Olive Oil: A good quality oil helps the vegetables get those charred flavorful bits we want.
  • Salt and Pepper: These are the foundation that pull the sweetness out of the roasted squash.
  • Ground Cumin: This adds an unexpected warmth that makes people ask what the secret ingredient is.
  • Nutmeg: Just a tiny pinch at the end mimics the richness of a cream based soup.

Instructions

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Prep the Veggies:
Get your oven humming at 425 degrees Fahrenheit (220 degrees Celsius) and line your sheet with parchment for easy cleanup. Scatter the vegetables and spices together until everything is glistening with oil and ready for the heat.
The Golden Hour:
Roast them for 25 to 30 minutes until the broccoli tips look slightly charred and the squash is tender enough to mash with a fork. Moving the vegetables halfway through ensures every side gets that beautiful golden color.
The Simmer:
Move the roasted treasures to a large pot with the broth and let them get to know each other over a gentle flame. This short ten minute simmer allows the roasted flavors to infuse into the liquid perfectly.
The Great Blend:
Use your immersion blender to turn that chunky mix into a smooth orange sea of comfort. If you use a countertop blender remember to work in small batches so the steam does not pop the lid off.
Final Flourish:
Stir in the coconut milk and nutmeg then give it a final taste to see if it needs more salt. Ladle it into bowls while it is still steaming and watch how the colors pop.
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Velvety blended roasted broccoli and butternut squash soup served warm with crusty bread.  Pin It
Velvety blended roasted broccoli and butternut squash soup served warm with crusty bread. | casaflavors.com

I once forgot the garlic in the oven and it turned into little charcoal bits so now I tuck them under a piece of squash. That small adjustment saved my future batches from bitterness.

The Art of the Char

The secret to the depth in this soup is letting the broccoli get quite dark in the oven. Those burnt edges might look scary but they provide a smoky contrast to the sweet squash.

Choosing Your Creaminess

While I usually reach for coconut milk to keep things vegan heavy cream is a total game changer for a Sunday dinner. The fat in the cream helps carry the cumin and nutmeg across your palate more slowly.

Making It a Full Meal

A bowl of soup is lovely but a few additions can turn it into a feast for the eyes and the stomach. I always look for something crunchy to balance out the silky texture of the pureed vegetables.

  • Top each bowl with toasted pumpkin seeds for a nutty crunch.
  • A squeeze of fresh lemon juice right before serving cuts through the richness beautifully.
  • Keep some crusty bread nearby to soak up every last drop from the bottom of the bowl.
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Deeply roasted broccoli and butternut squash pureed into a cozy, aromatic soup with nutmeg. Pin It
Deeply roasted broccoli and butternut squash pureed into a cozy, aromatic soup with nutmeg. | casaflavors.com

I hope this bowl brings you as much peace and warmth as it does for me on a chilly evening. Enjoy every spoonful of this roasted goodness.

Recipe FAQs

Can I make this soup ahead of time?

Absolutely. This soup actually tastes better the next day as flavors meld. Store in an airtight container for up to 5 days and reheat gently on the stovetop.

What's the best way to achieve the smoothest texture?

An immersion blender works perfectly for this soup. If using a countertop blender, blend in batches and never fill past halfway. Allow steam to escape and blend until completely silky.

Can I freeze this roasted vegetable soup?

Yes, freeze in portion-sized containers for up to 3 months. Thaw overnight in the refrigerator and reheat slowly, adding a splash of broth if needed to restore consistency.

What vegetables work as substitutions?

Sweet potato or carrots replace butternut squash beautifully. Cauliflower works instead of broccoli for a milder flavor. Keep the total roasted vegetable quantity similar.

How do I adjust the seasoning?

Always taste after blending. The flavors concentrate during roasting, so start with less salt. Add more cumin for warmth, extra nutmeg for sweetness, or cayenne for subtle heat.

What makes roasting better than boiling vegetables?

Roasting at 425°F caramelizes natural sugars, creating deep, complex flavors you can't achieve through boiling. The browned edges add richness that transforms simple vegetables into something special.

Roasted Broccoli Butternut Squash Soup

Comforting roasted vegetable soup blending broccoli and butternut squash into a creamy, wholesome bowl ready in under an hour.

Prep Time
15 mins
Time to Cook
40 mins
Overall Time
55 mins
Created by Fiona Chambers


Skill Level Easy

Cuisine Type American

Makes 4 Portions

Dietary Details Vegetarian, Gluten-Free

What You'll Need

Vegetables

01 1 medium butternut squash (about 2 lbs), peeled, seeded, and cubed
02 1 large head of broccoli, cut into florets (about 4 cups)
03 1 medium yellow onion, chopped
04 3 cloves garlic, peeled

Liquids

01 4 cups vegetable broth
02 1 cup unsweetened coconut milk or heavy cream

Oils & Fats

01 2 tablespoons olive oil

Seasonings

01 1 teaspoon kosher salt, plus more to taste
02 1/2 teaspoon black pepper
03 1/2 teaspoon ground cumin
04 1/4 teaspoon ground nutmeg

Optional Garnishes

01 Toasted pumpkin seeds
02 Chopped fresh parsley
03 Drizzle of coconut milk or cream

How to Make It

Step 01

Prepare Oven and Vegetables: Preheat oven to 425°F. Line a baking sheet with parchment paper. Spread squash cubes, broccoli florets, chopped onion, and garlic on the prepared sheet.

Step 02

Season and Roast: Drizzle vegetables with olive oil, sprinkle with salt, pepper, and cumin. Toss to coat evenly. Roast for 25 to 30 minutes, stirring halfway through, until browned and tender.

Step 03

Build Soup Base: Transfer roasted vegetables to a large pot. Add vegetable broth and bring to a simmer over medium heat. Cook for 10 minutes to allow flavors to meld.

Step 04

Blend Soup: Remove from heat. Use an immersion blender to puree soup until smooth and creamy. Alternatively, carefully blend in batches using a countertop blender.

Step 05

Finish and Season: Stir in coconut milk or cream and nutmeg. Taste and adjust seasoning as needed.

Step 06

Serve: Reheat gently if needed. Ladle into bowls and garnish with pumpkin seeds, parsley, and a drizzle of coconut milk or cream if desired.

Equipment Needed

  • Baking sheet
  • Parchment paper
  • Large pot
  • Immersion blender or countertop blender
  • Knife and cutting board

Allergy Info

Be sure to look over every ingredient for allergens, and talk to a health expert with any concerns.
  • Contains coconut if using coconut milk
  • May contain tree nuts depending on garnish

Nutrition per Serving

Nutritional info is for general reference and isn't medical guidance.
  • Caloric Value: 210
  • Fats: 9 g
  • Carbohydrates: 32 g
  • Proteins: 4 g