Roasted Tomato Sauce Recipe
Introduction
This roasted tomato sauce is a vibrant and flavorful twist on a classic. Slow-roasting the tomatoes with garlic and onion brings out a deep, rich sweetness that makes this sauce perfect for pasta, pizza, or as a base for other dishes.

Ingredients
- 4–5 large tomatoes, halved
- 1 whole head of garlic, bruised and halved
- 1 medium onion, quartered
- 3 tablespoons olive oil
- 1 tablespoon balsamic vinegar
- Salt and pepper, to taste
- 2 teaspoons dried or fresh basil
- 2 teaspoons dried or fresh oregano
Instructions
- Step 1: Preheat your oven to 400°F (200°C). Arrange the halved tomatoes, garlic, and onion in a large roasting pan.
- Step 2: Sprinkle generously with salt and pepper, then drizzle the olive oil and balsamic vinegar over everything. Use your hands to toss and coat all the ingredients evenly.
- Step 3: Roast in the oven for about 45 minutes, until the tomatoes are tender and caramelized.
- Step 4: Using a slotted spoon, transfer the roasted tomatoes, onions, and garlic into a large bowl, leaving the roasting juices behind.
- Step 5: Add the basil and oregano, then blend the mixture until smooth. Adjust seasoning if needed.
Tips & Variations
- For a spicier sauce, add a pinch of red chili flakes before blending.
- Use fresh herbs if available for a brighter flavor, or dried herbs if not.
- If you prefer a chunkier sauce, pulse the blender a few times instead of blending fully smooth.
- Add a splash of red wine before roasting for an extra depth of flavor.
Storage
Store the sauce in an airtight container in the refrigerator for up to 5 days. To freeze, transfer to a freezer-safe container and keep for up to 3 months. Reheat gently on the stove or in the microwave, stirring occasionally.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use canned tomatoes instead of fresh?
Fresh tomatoes work best for roasting due to their texture and sweetness, but you can use canned tomatoes if fresh aren’t available. Skip the roasting step and simmer the sauce on the stove instead.
Is this sauce suitable for freezing?
Yes, this roasted tomato sauce freezes very well. Portion it into freezer-safe containers, and thaw overnight in the refrigerator before reheating.
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Roasted Tomato Sauce Recipe
- Total Time: 55 minutes
- Yield: Approximately 3 cups of sauce 1x
- Diet: Gluten Free
Description
A flavorful and easy roasted tomato sauce made by roasting fresh tomatoes, garlic, and onions, then blending with herbs and balsamic vinegar for a rich, savory sauce perfect for pasta or as a base for various dishes.
Ingredients
Vegetables
- 2 pounds tomatoes, halved
- 1 whole head of garlic, bruised and halved
- 1 medium onion, quartered
Seasonings
- Salt, to taste (preferably sea salt)
- Freshly ground black pepper, to taste
- 1–2 tablespoons balsamic vinegar
- 1–2 tablespoons olive oil
- 1 tablespoon dried oregano or fresh oregano to taste
- 1 tablespoon dried basil or fresh basil to taste
Instructions
- Prepare the vegetables: Halve the tomatoes and place them in a large roasting pan. Add the bruised and halved whole head of garlic, as well as the quartered onion to the pan.
- Season and toss: Sprinkle liberally with sea salt and freshly ground black pepper. Drizzle olive oil and balsamic vinegar evenly over the vegetables. Use your hands to toss everything together to ensure even coating.
- Roast: Roast the seasoned vegetables in a preheated oven at 400°F (200°C) for approximately 45 minutes, or until the tomatoes are soft and slightly caramelized.
- Transfer to a bowl: Using a slotted spoon, transfer the roasted tomatoes, onions, and garlic from the pan into a large bowl, making sure to collect all the vegetables but leaving excess liquid behind if you prefer a thicker sauce.
- Add herbs and blend: Add a generous amount of oregano and basil, either fresh or dried, according to your taste. Blend the mixture until smooth using an immersion blender or food processor.
Notes
- You can adjust the amount of balsamic vinegar and olive oil depending on your taste preference.
- For a chunkier sauce, pulse the blender fewer times instead of fully pureeing.
- This sauce can be stored in the refrigerator for up to 5 days or frozen for up to 3 months.
- Using fresh herbs will provide a brighter flavor, while dried herbs deepen the taste.
- Adding a pinch of sugar can help balance acidity if needed.
- Prep Time: 10 minutes
- Cook Time: 45 minutes
- Category: Sauce
- Method: Roasting
- Cuisine: Italian
Keywords: roasted tomato sauce, homemade tomato sauce, Italian sauce, roasted vegetables, easy tomato sauce, balsamic tomato sauce

