Roasted Vegetable Soup

Featured in: Oven-Ready Dishes

This comforting soup transforms seasonal vegetables through oven roasting, drawing out their natural sugars and creating deep, caramelized flavors. The combination of carrots, sweet potatoes, bell peppers, zucchini, and red onion roasts at high heat until golden and tender, then simmers in aromatic vegetable broth with thyme, rosemary, and smoked paprika. After blending to silky smooth perfection, each bowl delivers a nutrient-rich, warming meal that's naturally vegetarian, gluten-free, and dairy-free. The entire process takes just one hour, making it ideal for meal prep or weeknight dinners when you want something nourishing without extensive effort.

Updated on Wed, 28 Jan 2026 09:14:00 GMT
A bowl of creamy roasted vegetable soup garnished with fresh parsley and a drizzle of olive oil. Save
A bowl of creamy roasted vegetable soup garnished with fresh parsley and a drizzle of olive oil. | quickharcha.com

The autumn air had just turned crisp when I first discovered this roasted vegetable soup recipe, struggling to use up the last treasures from my garden. I remember standing at my kitchen window watching leaves fall, the oven warming my small kitchen as the vegetables caramelized and filled the house with an earthy sweetness. Something magical happens when you roast vegetables before transforming them into soup – the natural sugars intensify, creating a depth that stovetop cooking simply can't match. That first spoonful convinced me I'd stumbled upon something special.

I served this soup at an impromptu gathering when friends dropped by unexpectedly during a snowstorm last winter. We huddled around my tiny dining table, steam rising from our bowls, the conversation flowing as easily as the soup into our spoons. My friend Elena, who typically avoids anything vegetable-forward, asked for the recipe before she even finished her bowl. Sometimes the simplest foods create the strongest connections.

Ingredients

  • Seasonal vegetables: I use carrots, sweet potato, red bell pepper, zucchini, red onion, and garlic as my base, but the beauty of this recipe is its flexibility with whatever vegetables you have.
  • Olive oil: Use a good quality oil since its flavor will shine through in the finished soup.
  • Vegetable broth: The backbone of any good soup, I prefer low-sodium so I can control the seasoning.
  • Herbs and spices: Dried thyme, rosemary, and smoked paprika create a warm, aromatic profile that complements the natural sweetness of roasted vegetables.
  • Garnishes: Fresh parsley, a drizzle of extra virgin olive oil, or some crunchy toasted seeds elevate the final presentation and add textural contrast.

Instructions

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Ideal for slow-simmered sauces, braised vegetables, baked dips, and cozy one-pot meals with even heat.
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Preheat and prep:
Start by heating your oven to 425°F and lining a baking sheet with parchment paper. This high temperature is crucial for proper caramelization.
Season and roast:
Spread your chopped vegetables on the baking sheet, drizzle with olive oil, and sprinkle with salt, pepper, thyme, rosemary, and smoked paprika. Roast for 30-35 minutes, turning halfway through, until the edges begin to darken and the vegetables become tender.
Simmer the flavors:
Transfer those beautiful roasted vegetables to a large pot, add the broth, and let everything simmer together for about 10 minutes. This short marriage of flavors makes all the difference.
Blend until silky:
Use an immersion blender right in the pot, or carefully transfer batches to a countertop blender. Keep blending until the soup reaches a velvety consistency with no chunks remaining.
Garnish and serve:
Ladle into bowls and finish with a sprinkle of fresh parsley, a swirl of good olive oil, and perhaps some crunchy croutons or toasted seeds. These final touches make it feel restaurant-worthy.
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Ideal for slow-simmered sauces, braised vegetables, baked dips, and cozy one-pot meals with even heat.
Check price on Amazon
Roasted vegetable soup in a rustic bowl, topped with crunchy croutons and served alongside warm bread. Save
Roasted vegetable soup in a rustic bowl, topped with crunchy croutons and served alongside warm bread. | quickharcha.com

Last winter, my neighbor dropped by just as I was finishing a batch of this soup. Her daughter had been sick for days, barely eating anything. I sent them home with a thermos full, and received a text the next morning that it was the first thing her daughter had finished in three days. Sometimes nourishment comes in the form of vegetables transformed by a little time and care into something completely new.

Variations to Try

Over dozens of batches, I've discovered that this soup welcomes experimentation. For a Thai-inspired version, add a tablespoon of red curry paste and finish with coconut milk instead of olive oil. During summer months, I often throw in a handful of fresh basil right before blending for a Mediterranean twist. In autumn, butternut squash and a pinch of nutmeg create a festive variation perfect for holiday gatherings.

Make-Ahead and Storage

This soup actually improves with time as the flavors continue to meld. I often make a double batch on Sunday afternoons, portioning it into containers for lunches throughout the week. It keeps beautifully in the refrigerator for up to three days, and freezes exceptionally well for up to three months. Just be sure to cool it completely before transferring to freezer-safe containers, leaving a bit of headspace for expansion.

Serving Suggestions

While this soup stands perfectly on its own, I've found a few accompaniments that elevate it from simple meal to dinner party worthy. A warm crusty baguette with salted butter makes for the most satisfying dunking experience. For a complete meal, a simple side salad with bitter greens provides textural contrast to the soup's silkiness.

  • For a protein boost, try topping with a handful of roasted chickpeas seasoned with the same spices as the soup.
  • A dollop of Greek yogurt or cashew cream adds richness and a pleasant tangy note.
  • For dinner parties, serve in small cups as an elegant starter before a main course.
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Boil water quickly for tea, coffee, instant soups, and faster prep when cooking grains or noodles.
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Velvety roasted vegetable soup with a golden swirl of olive oil, ready to enjoy on a chilly day. Save
Velvety roasted vegetable soup with a golden swirl of olive oil, ready to enjoy on a chilly day. | quickharcha.com

There's something profoundly satisfying about transforming humble vegetables into something so nourishing and elegant. I hope this soup brings the same comfort to your kitchen that it has to mine.

Recipe FAQs

Can I use different vegetables?

Absolutely. Swap in any seasonal vegetables like parsnips, butternut squash, leeks, or root vegetables. The roasting method works well with almost any hearty vegetable that can withstand high heat cooking.

How long does this soup keep?

This soup refrigerates beautifully for up to 3 days. The flavors actually deepen and improve overnight. Reheat gently on the stovetop, adding a splash of broth or water if it has thickened too much.

Can I make this soup creamy?

Yes. For extra creaminess, stir in a splash of coconut milk, heavy cream, or cashew cream before blending. This adds richness while maintaining the roasted vegetable flavors as the star.

What's the best way to blend this soup?

An immersion blender works perfectly directly in the pot and minimizes cleanup. If using a countertop blender, work in batches and be cautious with hot liquids—remove the center cap and cover with a kitchen towel to allow steam to escape safely.

Can I freeze this soup?

Yes, freeze in airtight containers for up to 3 months. Thaw overnight in the refrigerator and reheat on the stovetop. The texture may change slightly but will smooth out again when reheated and stirred well.

Roasted Vegetable Soup

Velvety soup with oven-roasted seasonal vegetables, naturally sweet and deeply flavorful. Perfect for cold weather.

Prep time
20 minutes
Cook time
40 minutes
Total duration
60 minutes
Created by Jack Whitestone


Skill level Easy

Cuisine International

Makes 4 Portions

Diet-friendly details Suitable for vegans, No dairy, No gluten

What You'll Need

Vegetables

01 2 medium carrots, peeled and chopped
02 1 medium sweet potato, peeled and diced
03 1 red bell pepper, seeded and chopped
04 1 zucchini, chopped
05 1 red onion, peeled and quartered
06 2 cloves garlic, peeled
07 2 tablespoons olive oil

Broth & Seasoning

01 4 cups vegetable broth
02 1 teaspoon dried thyme
03 1 teaspoon dried rosemary
04 1/2 teaspoon smoked paprika
05 Salt and freshly ground black pepper to taste

Garnish

01 2 tablespoons fresh parsley, chopped
02 Extra virgin olive oil for drizzling
03 Croutons or toasted seeds

How to Make It

Step 01

Prepare and Season Vegetables: Preheat oven to 425°F. Line a large baking sheet with parchment paper. Arrange carrots, sweet potato, red bell pepper, zucchini, red onion, and garlic on the baking sheet. Drizzle with olive oil and toss to coat evenly. Season with salt, pepper, thyme, rosemary, and smoked paprika.

Step 02

Roast Vegetables: Roast vegetables for 30 to 35 minutes, turning halfway through, until golden and tender with caramelized edges.

Step 03

Combine with Broth: Transfer roasted vegetables to a large pot. Add vegetable broth and bring to a simmer over medium heat. Simmer for 10 minutes to allow flavors to meld.

Step 04

Blend Soup: Blend the soup using an immersion blender until silky smooth, or carefully transfer in batches to a countertop blender. Work in batches if needed to avoid overflow.

Step 05

Finish and Serve: Adjust seasoning with additional salt and pepper as needed. Ladle into bowls and garnish with fresh parsley, a drizzle of extra virgin olive oil, and croutons or toasted seeds if desired.

Gear you'll need

  • Baking sheet
  • Parchment paper
  • Large pot
  • Immersion blender or countertop blender
  • Ladle

Allergy notes

Review every ingredient for allergen risks and talk to your doctor if uncertain.
  • Verify vegetable broth ingredients for potential allergens
  • Croutons may contain gluten if used as garnish

Nutrition info (per serving)

All nutrition info here is just for your reference and isn’t a substitute for health advice.
  • Calorie count: 180
  • Fat content: 7 g
  • Carbohydrates: 28 g
  • Proteins: 3 g