The Best Roasted Tomato Soup
The Best Roasted Tomato Soup Recipe (Ultra Creamy & Packed With Flavor)

If you’re searching for a tomato soup that’s deeply flavorful, naturally sweet, and velvety smooth, look no further this roasted tomato soup is the one you’ll make again and again. It’s the perfect blend of simple ingredients, rich roasted flavor, and cozy comfort, without relying on heavy cream or complicated steps.
Unlike many tomato soups that taste thin or overly acidic, this version uses slow-roasted tomatoes, caramelized onions, fresh basil, and broth to build a beautiful depth of flavor. Roasting the tomatoes transforms them into something jammy, sweet, and slightly smoky, creating a restaurant-quality base that shines in every spoonful.
Whether you’re planning a comforting weeknight meal, meal prepping for busy days, or just want an excuse to dip a buttery grilled cheese sandwich, this roasted tomato soup is guaranteed to hit the spot.
If you love cozy, comforting soups, be sure to try my Chicken Pastina Soup Recipe next it’s another warm, family-favorite bowl of comfort.
Why This Roasted Tomato Soup Is the Best
This recipe stands out thanks to a few simple but powerful techniques:
1. Slow Roasting for Maximum Flavor
Roasting the tomatoes draws out their natural sweetness and concentrates their flavor, giving the soup its iconic richness.
2. Perfect Aromatics
Golden onions, garlic, and a touch of red pepper flakes create a savory-sweet base that balances beautifully with the tomatoes.
3. Fresh Herbs
Fresh basil and thyme add brightness and warmth, making the soup taste fresh and homemade rather than canned or one-note.
4. Creamy Without Cream
Blending the soup makes it silky smooth, while a little butter adds luxurious richness without turning the recipe heavy.
5. Pantry + Fresh Ingredients
Most items are kitchen staples, making this a reliable go-to recipe year-round.


The Best Roasted Tomato Soup
Notes
- 3 lbs ripe plum tomatoes – Their natural sweetness intensifies when roasted.
- 2 yellow onions, chopped – Creates a sweet, savory base.
- 5 cloves garlic, minced – Essential for deep, aromatic flavor.
- 2 cups fresh basil leaves, chopped – Adds freshness and brightness.
- ¼ cup + 2 tbsp extra-virgin olive oil – Helps with roasting and sautéing.
- 2 tbsp butter – Adds silky richness.
- ¼ tsp crushed red pepper flakes – Optional, but great for mild heat.
- 1 (28 oz) can whole plum tomatoes – Adds depth and body.
- ½ tsp dried thyme – Warm, earthy flavor that complements tomatoes.
- 4 cups low-sodium chicken or vegetable broth – Your liquid base.
- Salt & pepper – To taste.
- Grated Parmesan
- Fresh basil ribbons
- Toasted croutons or grilled cheese
- Preheat your oven to 400°F (200°C).
- Toss tomato halves with ¼ cup olive oil, salt, and pepper.
- Arrange them cut-side up on a baking sheet.
- Roast for 45 minutes, or until soft and caramelized around the edges.
This step develops the bold, naturally sweet flavor that makes the soup unforgettable.Step 2: Sauté the Aromatics
- In a large pot, warm 2 tbsp olive oil and 2 tbsp butter over medium heat.
- Add onions, garlic, and red pepper flakes.
- Cook for about 10 minutes, until onions turn golden and fragrant.
Slow cooking prevents harsh flavors and ensures a buttery, rich base.Step 3: Build and Simmer the Soup
- Stir in the canned tomatoes, fresh basil, thyme, and broth.
- Add in all the roasted tomatoes, plus the juices from the pan.
- Bring everything to a boil.
- Reduce heat and simmer uncovered for 40 minutes.
Simmering allows the flavors to meld and deepen beautifully.Step 4: Blend Until Smooth
- Use an immersion blender for convenience or transfer batches to a countertop blender for an ultra-creamy texture.
- Taste and adjust seasoning with additional herbs, salt, or pepper.
- Parmesan
- Fresh basil
- Olive oil drizzle
- Homemade croutons
- Grilled cheese
- Toasted sourdough
- Garlic bread
- A simple salad
- These expert tips make a good soup exceptional:
- The riper the tomato, the sweeter and richer the soup becomes after roasting.
- Let them get soft and golden they’re the flavor foundation.
- The silkier the soup, the more luxurious it feels.
- A pinch of sugar or a splash of cream can mellow sour tomatoes.
- The flavor improves dramatically after a day in the fridge.
- Storage, Meal Prep & Freezer Tips
- Store in an airtight container for up to 3 days.
- It tastes even better the next day as the flavors deepen.
- Freeze for up to 3 months.
- Thaw overnight, then reheat gently on the stove.
- Perfect for meal prep, busy weeknights, or batch cooking.

Frequently Asked Questions
Can I use canned tomatoes instead of fresh?
Absolutely. If fresh tomatoes aren’t in season, canned tomatoes work wonderfully. You can even roast canned whole tomatoes on a sheet pan for added flavor.
How do I make the soup creamy without using cream?
Blend thoroughly and let butter do the work. You can also blend in a cooked potato or a splash of milk for added body.
What can I use instead of fresh basil?
Use dried basil, dried Italian seasoning, oregano, or thyme. Add dried herbs during the simmering stage to bloom their flavor.
How can I make the soup spicier?
Increase red pepper flakes or add a chopped fresh chili to the onions as they cook.
Can I double this recipe?
Yes! It freezes beautifully and is ideal for big batches.
Final Thoughts
This roasted tomato soup is the ultimate balance of simplicity and flavor. With roasted tomatoes, caramelized aromatics, and fresh herbs, it’s warm, comforting, and absolutely delicious perfect for any season. Whether you’re dipping grilled cheese or enjoying it on its own, this recipe is one you’ll come back to time and time again.

