Name: thick roasted vegetable soup
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Cuisine: International
Ingredients: 2 tbsp olive oil; 1 large onion, diced; 2 carrots, peeled and sliced; 2 celery stalks, sliced; 1 red bell pepper, chopped; 1 zucchini, chopped; 2 cups cauliflower florets; 2 cups broccoli florets; 4 cups vegetable broth; 1 tsp sea salt; ½ tsp black pepper; 1 tsp dried thyme; 1 bay leaf; ½ cup heavy cream

thick roasted vegetable soup

Published on September 11, 2025

4.8 (245 reviews)

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Prep Time

20 min

Cook Time

45 min

Servings

Why You'll Love This Recipe

✓ Comfort in a Bowl: The slow‑roasted carrots, parsnips, and tomatoes create a naturally sweet, velvety base that feels like a warm hug on a chilly evening.

✓ Nutrient‑Rich: Packed with fiber, vitamin A, and antioxidants, this soup nourishes the body while satisfying cravings for something hearty.

✓ One‑Pan Simplicity: All ingredients roast together, then blend, so cleanup is minimal and the flavor development is maximized.

When the first chill of autumn arrives, I crave a soup that feels both indulgent and wholesome. This thick roasted vegetable soup delivers that balance, turning humble garden produce into a luxurious, creamy bowl without any dairy. The secret lies in caramelizing the vegetables first, which unlocks deep, natural sweetness and a smoky undertone that makes every spoonful memorable.

Root vegetables like carrots and parsnips provide a sturdy backbone, while tomatoes add brightness and a subtle acidity. A splash of olive oil and a pinch of smoked paprika finish the flavor profile, giving the soup a gentle heat that lingers pleasantly. It’s perfect for a quick weeknight dinner or a leisurely weekend feast.

What sets this soup apart is its thickness—no cream needed. The vegetables themselves create a silky texture when blended, making it a satisfying, dairy‑free option for everyone at the table.

2 parsnips, trimmed and diced Adds earthy sweetness.

1 large onion, quartered Yellow or sweet onion works best.

3 garlic cloves, smashed Provides aromatic depth.

2 cups cherry tomatoes, halved (or 1 can diced tomatoes) Tomatoes add acidity and body.

2 tbsp olive oil For roasting; can use avocado oil.

1 tsp smoked paprika Adds gentle smokiness.

4 cups vegetable broth (low‑salt) Adjust for desired thickness.

Salt and freshly ground black pepper, to taste Season at the end.

Instructions

Preheat and Prepare Vegetables

Set oven to 425°F (220°C). Toss carrots, parsnips, onion, garlic, and tomatoes with olive oil, smoked paprika, salt, and pepper on a large baking sheet. Spread evenly for even caramelization.

Pro Tip: If the pan is crowded, use two sheets to avoid steaming.

Roast Until Caramelized

Roast for 25‑30 minutes, turning once halfway through. Vegetables should be golden‑brown and tender; this develops the deep flavor foundation of the soup.

Pro Tip: A splash of balsamic vinegar in the last 5 minutes adds a subtle tang.

Transfer to Pot and Add Broth

Move the roasted vegetables to a large pot. Add vegetable broth, stirring to combine. Bring to a gentle simmer over medium heat, allowing flavors to meld for 5‑7 minutes.

Pro Tip: Use an immersion blender for a smoother texture without extra equipment.

Blend to Desired Thickness

Puree the soup until smooth. For extra body, leave a few chunks or add a splash of oat milk. Adjust seasoning with salt and pepper, then keep warm.

Pro Tip: If the soup is too thick, thin with additional broth or water.

Serve and Garnish

Ladle soup into bowls. Drizzle a teaspoon of olive oil, sprinkle fresh herbs (parsley or thyme), and add a pinch of smoked paprika for color. Enjoy hot.

Expert Tips

Tip #1: Roast in Two Batches

Crowding the pan steams vegetables instead of caramelizing them. Spread them out or use two sheets for a richer, deeper flavor.

Tip #2: Finish with Fresh Herbs

A handful of chopped parsley or thyme added just before serving brightens the soup and adds a pleasant aroma.

Tip #3: Use a Hand Blender

If you don’t have an immersion blender, a regular countertop blender works—blend in batches and vent the lid to avoid pressure.

Tip #4: Adjust Thickness

For a thicker stew‑like consistency, simmer longer uncovered; for a lighter broth, add extra stock after blending.

Storage & Variations

Cool the soup completely before refrigerating; it keeps 4‑5 days in an airtight container. Freeze in portion‑size bags for up to 3 months. Swap carrots for butternut squash, add a pinch of curry powder for an Indian twist, or stir in a spoonful of pesto for a fresh herbaceous finish.

Frequently Asked Questions

Absolutely. The recipe already omits dairy; the creaminess comes from the roasted vegetables. If you want extra richness, stir in a splash of coconut milk or oat cream at the end.

After roasting, mash the vegetables with a potato masher, then simmer with extra broth until the desired consistency is reached. Adding a peeled, diced potato during simmering also helps thicken naturally.

Drizzle a little extra‑virgin olive oil, sprinkle toasted pumpkin seeds, or add a dollop of Greek yogurt (if dairy is acceptable). Fresh herbs, such as cilantro or basil, also brighten the finish.

Yes—stir in cooked lentils, chickpeas, or shredded chicken after blending. These add protein and make the soup heartier without altering the flavor balance.