Roasted Broccoli Butternut Squash Soup

Featured in: Simple One-Pot Cozy Meals

This velvety soup combines naturally sweet butternut squash with earthy roasted broccoli, creating depth through caramelization. The roasting process concentrates flavors while coconut milk adds luxurious creaminess. Perfect for meal prep, this nourishing bowl comes together in under an hour and serves four generously.

Updated on Tue, 27 Jan 2026 15:26:00 GMT
Creamy roasted broccoli and butternut squash soup served in a rustic bowl with a drizzle of coconut milk. Pin It
Creamy roasted broccoli and butternut squash soup served in a rustic bowl with a drizzle of coconut milk. | sweetcairn.com

One chilly October afternoon, my kitchen filled with the smell of caramelizing squash and roasting broccoli, and I realized I'd been overthinking soup all along. A friend had mentioned she wanted something warming but not heavy, and I found myself reaching for vegetables I already had on hand. What emerged from that oven was pure golden comfort, the kind of soup that makes you pause between spoonfuls to appreciate how simple ingredients transform into something unexpectedly luxurious.

I made this for my sister during her first week working night shifts, and she still talks about how a bowl of this soup made everything feel manageable again. She'd arrive home exhausted, and within an hour, there was something warm and nourishing waiting. That's when I understood this recipe isn't really about the ingredients at all.

Ingredients

  • Butternut squash: Peeling can be tedious, so if you find pre-cut squash at your market, grab it without guilt and spend that energy elsewhere.
  • Fresh broccoli florets: Cut them all roughly the same size so they roast evenly and develop those crispy, caramelized edges.
  • Yellow onion: The sweetness it develops in the oven balances everything else, so don't skip it or substitute with white onion.
  • Garlic cloves: Roasting mellows garlic's sharp edges into something almost nutty and sweet.
  • Vegetable broth: This is your base flavor, so choose one you'd actually drink on its own.
  • Coconut milk or heavy cream: Both work beautifully; coconut milk keeps things vegan and adds a subtle sweetness, while cream creates a more traditional richness.
  • Olive oil: Don't use extra virgin here since heat breaks down its delicate qualities; regular olive oil is your friend.
  • Kosher salt, black pepper, cumin, and nutmeg: These four seasonings create a warm spice profile without overwhelming the vegetable flavors.

Instructions

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Heat your oven and prepare:
Preheat to 425°F and line your baking sheet with parchment paper so cleanup becomes almost painless later. This heat is hot enough to caramelize without burning.
Toss and spread:
Combine your prepared squash, broccoli, onion, and garlic on the sheet, then drizzle with olive oil and sprinkle salt, pepper, and cumin. Toss everything until each piece glistens with oil, then spread in a single layer.
Roast until golden:
Slide into the oven for 25 to 30 minutes, stirring halfway through. You're looking for the broccoli to have dark, crispy edges and the squash to turn a deep caramel color.
Build the soup base:
Transfer roasted vegetables to a large pot, add vegetable broth, and bring to a simmer over medium heat. Let it cook for 10 minutes so the flavors get to know each other.
Blend until creamy:
Remove from heat and use an immersion blender to puree everything into a smooth, velvety consistency. If using a countertop blender, work in batches and be careful with hot liquid.
Finish with richness:
Stir in your coconut milk or cream and the nutmeg, then taste and adjust salt and pepper. Reheat gently if the soup cooled while blending.
Serve with intention:
Ladle into bowls and top with toasted pumpkin seeds, fresh parsley, and a light drizzle of cream if you want extra elegance. The garnishes aren't just decoration; they add texture and little bursts of flavor.
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Vibrant roasted broccoli and butternut squash soup garnished with pumpkin seeds and fresh parsley. Pin It
Vibrant roasted broccoli and butternut squash soup garnished with pumpkin seeds and fresh parsley. | sweetcairn.com

My mom once told me that good food is an act of care, and I understood exactly what she meant while stirring this soup one quiet evening. There's something about offering someone a bowl of something warm that says more than words ever could.

The Magic of Roasting

Roasting transforms vegetables in a way that steaming or sautéing simply cannot match. The dry heat of the oven concentrates sugars and creates browning, which adds layers of flavor through a chemical process called caramelization. I learned this the hard way after making countless bland soups before I understood that the cooking method itself is an ingredient.

Making It Your Own

This soup is forgiving and flexible, which is probably why it's become my go-to when I'm cooking for people with different preferences. Swap sweet potato for squash if that's what you have, add a pinch of cayenne for heat, or squeeze in fresh lemon juice for brightness. The foundation is solid enough to hold your personal touches.

Storage and Serving Suggestions

This soup keeps beautifully in the refrigerator for up to four days and actually improves as flavors settle and meld. It also freezes exceptionally well, so make a double batch and have comfort ready whenever you need it. Pair it with crusty bread, a simple salad, or even grilled cheese for the kind of meal that feels effortless but tastes like you've been cooking all day.

  • Reheat gently on the stovetop over medium heat, stirring occasionally, rather than microwaving, which can create hot spots.
  • If frozen, thaw overnight in the refrigerator before reheating for the best texture and flavor.
  • Fresh garnishes make all the difference, so save them for just before serving rather than adding them hours ahead.
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Healthy vegetarian roasted broccoli and butternut squash soup topped with fresh herbs in a cozy setting. Pin It
Healthy vegetarian roasted broccoli and butternut squash soup topped with fresh herbs in a cozy setting. | sweetcairn.com

This soup has become my answer to almost everything: a Monday night when energy is low, a gathering when I want something nourishing, a quiet afternoon when I need to slow down. Make it once and you'll understand why.

Recipe FAQs

Can I make this soup ahead of time?

Absolutely. This soup actually improves in flavor after resting overnight. Store in an airtight container for up to 5 days and reheat gently on the stovetop.

Is this soup freezer-friendly?

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.

What's the best way to achieve a smooth texture?

An immersion blender works wonderfully directly in the pot. For ultra-smooth results, pass through a fine-mesh sieve after blending.

Can I use frozen vegetables?

Fresh vegetables yield the best roasted flavor, but frozen can work in a pinch. Thaw completely and pat dry before roasting for better browning.

How can I add more protein?

Stir in white beans during the final simmer, serve with a dollop of Greek yogurt, or top with roasted chickpeas for added protein.

What other vegetables work well in this blend?

Sweet potato, carrots, or cauliflower can replace or complement the squash. Each brings natural sweetness and pairs beautifully with broccoli.

Roasted Broccoli Butternut Squash Soup

Rich, creamy roasted vegetable blend for a wholesome meal.

Prep Duration
15 minutes
Time to Cook
40 minutes
Time Needed
55 minutes
Recipe by Hunter Phillips


Level Easy

Cuisine American

Makes 4 Portions

Dietary Notes Suitable for Vegetarians, No Gluten

Ingredient List

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

Steps

Step 01

Prepare oven and baking sheet: Preheat oven to 425°F. Line a baking sheet with parchment paper.

Step 02

Season and arrange vegetables: Spread squash cubes, broccoli florets, onion, and garlic on the baking sheet. Drizzle with olive oil, sprinkle with salt, pepper, and cumin. Toss to coat evenly.

Step 03

Roast vegetables: Roast for 25 to 30 minutes, stirring halfway through, until browned and tender.

Step 04

Combine and simmer: 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 05

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 06

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

Step 07

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

Look through each ingredient for allergens and check with a healthcare provider if you’re uncertain.
  • Contains coconut if using coconut milk
  • May contain tree nuts depending on garnish

Nutrition Info (each serving)

Figures are for reference only—always seek medical advice when needed.
  • Caloric Value: 210
  • Fats: 9 grams
  • Carbohydrates: 32 grams
  • Proteins: 4 grams