Roasted Vegetable Soup

Featured in: Vegetable-Forward Dishes

This warming bowl features carrots, sweet potato, bell pepper, zucchini, and red onion roasted until golden and caramelized. The high-heat roasting concentrates the natural sugars, creating depth that simmering alone cannot achieve. After roasting, everything simmers in vegetable broth with thyme, rosemary, and smoked paprika before being blended into silky smoothness. The result is a nourishing, vitamin-rich meal that's naturally vegetarian, gluten-free, and dairy-free while delivering restaurant-quality texture.

Updated on Wed, 28 Jan 2026 08:59:00 GMT
A bowl of homemade Roasted Vegetable Soup, featuring golden blended carrots, sweet potato, and red bell pepper, garnished with fresh parsley and toasted seeds. Save to Pinterest
A bowl of homemade Roasted Vegetable Soup, featuring golden blended carrots, sweet potato, and red bell pepper, garnished with fresh parsley and toasted seeds. | bowlnotch.com

The chilly autumn afternoon I first made roasted vegetable soup changed my relationship with my kitchen forever. Standing at the counter, chopping vibrant vegetables while rain tapped against the window, I found myself wondering why I'd never tried roasting them before blending. The aroma that filled my apartment as those vegetables caramelized in the oven was nothing short of transformative—sweet, earthy, and impossibly rich. That first spoonful, velvety and complex, made me realize how simple ingredients can create something magical.

Last winter during that unexpected snowstorm, I found myself with houseguests who couldn't leave and not much in the pantry. This soup saved dinner—I scrounged up some aging vegetables from the crisper drawer, roasted them to bring out their remaining goodness, and served the resulting soup with the last heel of bread, crisped into impromptu croutons. My friends still talk about that emergency meal, convinced I'd planned it all along, never suspecting it was cobbled together from vegetables on their last legs.

Ingredients

  • Root vegetables: Carrots and sweet potatoes form the hearty base, contributing natural sweetness and a velvety texture when blended.
  • Red bell pepper: It adds a subtle sweetness and beautiful color that transforms the soup from earthy-brown to a vibrant orange-red.
  • Zucchini: This mild squash brings a lightness to balance the density of root vegetables while adding nutritional value.
  • Red onion and garlic: When roasted, they mellow dramatically, losing their sharp bite and developing a gentle sweetness that infuses the entire soup.
  • Smoked paprika: Just a half teaspoon adds surprising depth—I discovered this by accident when I ran out of regular paprika and it's become non-negotiable ever since.

Instructions

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Prepare your vegetables:
Chop everything into roughly equal-sized pieces to ensure even roasting. Dont worry about perfection here—rustic cuts have character.
Season generously:
Toss those vegetables in olive oil until every piece has a light coating, then sprinkle with herbs, smoked paprika, salt and pepper. Your hands are the best tools for this job.
Arrange thoughtfully:
Spread everything in a single layer on your baking sheet, giving the vegetables breathing room. Crowding leads to steaming instead of roasting, and we want those delicious caramelized edges.
Listen for the sizzle:
After about 15 minutes, you should hear a gentle sizzling from the oven—thats the sound of magic happening. Flip everything for even browning.
Simmer strategically:
Once vegetables transfer to the pot with broth, resist the urge to rush this step. Those 10 minutes of simmering allow the roasted flavors to infuse the liquid completely.
Blend carefully:
If using a countertop blender, fill it only halfway and place a kitchen towel over the lid before blending hot soup. Steam pressure is no joke.
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Crisp vegetables, roast meats, bake snacks, and reheat leftovers quickly for easy, flavorful home cooking.
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Golden Roasted Vegetable Soup in a rustic ceramic bowl, with a velvety orange hue and a drizzle of olive oil, perfect for a cozy lunch. Save to Pinterest
Golden Roasted Vegetable Soup in a rustic ceramic bowl, with a velvety orange hue and a drizzle of olive oil, perfect for a cozy lunch. | bowlnotch.com

The first time I served this soup at a dinner party, my friend Elise—who normally picks at her food—asked for seconds, then quietly requested the recipe before leaving. Months later at her house, I noticed my soup had made it into her regular rotation, but with her own twist: toasted pumpkin seeds sprinkled on top. Now I borrow her garnish idea whenever I make it, a little culinary conversation between friends that continues with each batch.

Seasonal Adaptations

Throughout the year, I adjust this soup to whatever the farmers market offers. Spring brings tender young carrots and early zucchini. Summer allows for corn kernels cut straight from the cob and sun-ripened tomatoes. Fall welcomes butternut squash and parsnips. And winter? Those humble storage vegetables—celeriac, turnips, and hearty cabbage—transform beautifully under high heat, proving that even the humblest ingredients have greatness within them.

Creating Texture Contrast

While the silky smoothness of this soup is part of its charm, I find adding something crunchy on top creates a more satisfying eating experience. My go-to options change with my mood—sometimes its homemade croutons made from stale bread cubes tossed with olive oil and herbs, other times its a sprinkle of toasted pumpkin or sunflower seeds. When Im feeling especially indulgent, I fry thin slices of garlic until crisp and golden, then crumble them over each bowl alongside a few flakes of sea salt.

Making It a Complete Meal

Though perfect as a starter, this soup easily becomes a complete meal with thoughtful additions. The key is balancing nutrition and satisfaction without overshadowing the soups delicate flavor profile.

  • For protein, try adding a can of rinsed white beans before blending, or topping each bowl with a poached egg that adds richness when the yolk breaks into the soup.
  • A small scoop of cooked quinoa or farro added after blending provides satisfying chew and makes the soup more substantial without much effort.
  • Dont underestimate good bread on the side—a crusty whole grain loaf transforms this soup into a meal that feels both nourishing and complete.
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Steaming bowl of creamy Roasted Vegetable Soup, showcasing the deep caramelized flavors of oven-roasted zucchini, onion, and garlic on a wooden table. Save to Pinterest
Steaming bowl of creamy Roasted Vegetable Soup, showcasing the deep caramelized flavors of oven-roasted zucchini, onion, and garlic on a wooden table. | bowlnotch.com

This soup reminds me that cooking isnt always about complex techniques or exotic ingredients, but rather about coaxing the best from what we have. Each batch tells the story of the season, the garden, or simply what needed using up that day.

Recipe FAQs

Can I use different vegetables?

Absolutely. Swap in parsnips, squash, leeks, or any seasonal vegetables you have on hand. The roasting method works beautifully with most root vegetables and hardy greens.

How do I make it creamier?

Stir in a splash of coconut milk or heavy cream before blending. This adds richness without overpowering the roasted vegetable flavors.

Can I make this ahead?

Yes. This stores well refrigerated for up to 3 days. The flavors actually develop more depth overnight. Reheat gently over medium-low heat.

What's the best way to blend?

An immersion blender works perfectly directly in the pot. For ultra-smooth results, use a countertop blender in batches, being careful with hot liquid.

Is this suitable for freezing?

This freezes beautifully for up to 3 months. Cool completely before transferring to freezer-safe containers. Thaw overnight in the refrigerator.

Roasted Vegetable Soup

Comforting velvety soup with oven-roasted seasonal vegetables, naturally sweet and flavorful. Ready in one hour.

Prep Time
20 minutes
Cook Time
40 minutes
Overall Time
60 minutes
By Bowl Notch Brooke Moore


Level Easy

Cuisine Type International

Amount Made 4 Number of Servings

Dietary Details Plant-Based, No Dairy, Free from Gluten

What You 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 ½ 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

Directions

Step 01

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

Step 02

Season vegetables: Arrange carrots, sweet potato, red bell pepper, zucchini, red onion, and garlic on the baking sheet. Drizzle with olive oil and toss to coat. Season with salt, pepper, thyme, rosemary, and smoked paprika.

Step 03

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

Step 04

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 blend flavors.

Step 05

Blend soup: Blend using an immersion blender until silky smooth, or carefully transfer in batches to a countertop blender. Adjust seasoning as needed.

Step 06

Serve: Ladle into bowls and garnish with parsley, a drizzle of olive oil, and croutons or toasted seeds if desired.

What You'll Need

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

Allergy Info

Double-check each ingredient for allergens, and contact your healthcare provider with concerns.
  • Verify broth ingredients for potential allergens
  • Croutons may contain gluten if added

Nutrition Info (per serving)

Use these details for reference only—always talk to a doctor for health advice.
  • Calorie Count: 180
  • Fats: 7 g
  • Carbohydrates: 28 g
  • Proteins: 3 g