The Homemade Roasted Tomato Basil Soup is a delightful dish perfect for any occasion. Bursting with flavor from fresh tomatoes and aromatic garlic, this comforting soup is ideal for cozy dinners or as a hearty lunch. The combination of roasted ingredients adds a depth of flavor that elevates this dish above canned alternatives. Plus, it’s easy to prepare and offers options for customization, ensuring everyone can enjoy it.
Why You’ll Love This Recipe
- Flavorful and Fresh: Using roasted tomatoes and garlic brings out rich flavors that are simply unmatched.
- Easy to Make: This recipe requires minimal preparation, making it a great choice for busy weeknights.
- Customizable: Add coconut milk or cheese for creaminess, or keep it simple for a lighter version.
- Healthy Ingredients: Packed with vitamins from tomatoes and basil, this soup is both nourishing and satisfying.
- Perfect for Leftovers: It reheats well, making it an excellent option for meal prep.
Tools and Preparation
Before diving into the cooking process, gather your tools. Having everything ready will make preparation smoother.
Essential Tools and Equipment
- Large baking sheet
- Parchment paper
- Large pot
- Food processor or blender
- Wooden spoon
Importance of Each Tool
- Large Baking Sheet: Ideal for roasting tomatoes evenly without crowding them.
- Food Processor or Blender: Ensures a smooth consistency for the soup, blending all the flavors perfectly.

Ingredients
For the Roasted Tomatoes
- 3 pounds roma or plum tomatoes, cut in half
- 8 cloves garlic, peeled
- 3 tablespoons olive oil
- Freshly ground salt and pepper
For the Caramelized Onions
- ½ tablespoon olive oil
- 2 yellow onions, thinly sliced
Additions to the Soup
- ½ cup packed basil leaves
- ½ teaspoon dried oregano
- 1-2 cups water or vegetarian broth, depending on how thick you want the soup
- Freshly ground salt and pepper, to taste
Optional Add-Ins
- Light/Regular coconut milk, for a creamy vegan soup
- Whole dairy milk/heavy cream, for a creamy texture
- Parmesan cheese, for tangy flavor enhancement
- A tablespoon or two of butter, for richer flavor
How to Make Homemade Roasted Tomato Basil Soup
Step 1: Preheat the Oven
- Preheat your oven to 400 degrees F.
- Line a large baking sheet with parchment paper.
- Place halved tomatoes and garlic cloves on the baking sheet.
- Drizzle with 3 tablespoons of olive oil and season generously with salt and pepper.
- Roast in the oven for 40-45 minutes until caramelized.
Step 2: Caramelize the Onions
- While the tomatoes roast, heat ½ tablespoon of olive oil in a large pot over medium heat.
- Add thinly sliced onions and stir to coat them in oil.
- Cook, stirring occasionally, checking every 5-10 minutes until completely caramelized (about 20 minutes).
Step 3: Blend the Ingredients
- Once roasted tomatoes and garlic have cooled for about 10 minutes, transfer them to a food processor or high-powered blender.
- Blend until smooth.
- Add basil leaves and caramelized onions; blend again until well combined.
Step 4: Simmer the Soup
- Transfer the blended mixture back into the pot over medium-low heat.
- Stir in oregano, vegetarian broth (or water), along with salt and pepper to taste.
- If desired, add any optional ingredients mentioned earlier.
- Allow soup to simmer for about 10 minutes before serving.
This homemade roasted tomato basil soup serves four people and is sure to impress! Enjoy it on its own or paired with grilled cheese sandwiches for a classic combo!
How to Serve Homemade Roasted Tomato Basil Soup
Homemade roasted tomato basil soup is not only delicious but also versatile. You can elevate your soup experience with various serving options that complement its rich flavors perfectly.
With Crusty Bread
- Sourdough Bread: The tanginess of sourdough enhances the soup’s taste.
- Garlic Bread: A crunchy, buttery addition that pairs beautifully with the soup.
As a Dip
- Grilled Cheese Sandwich: Cut your grilled cheese into strips for dipping, creating a comforting combo.
- Vegetable Sticks: Offer fresh cucumbers or carrots for a crunchy texture contrast.
Garnish Options
- Fresh Basil Leaves: A sprinkle of fresh basil adds brightness and aroma.
- Parmesan Cheese: Grate some parmesan on top for extra flavor and richness.
How to Perfect Homemade Roasted Tomato Basil Soup
To make your homemade roasted tomato basil soup truly exceptional, consider these helpful tips.
- Bold roasting: Roast tomatoes until they are caramelized to enhance their natural sweetness.
- Fresh ingredients: Use fresh basil and high-quality olive oil for the best flavor.
- Adjust consistency: Control the thickness by adjusting the amount of broth or water added.
- Flavor layering: Add spices like black pepper or red pepper flakes for extra depth.
- Creamy texture: For an ultra-smooth finish, blend thoroughly until silky.
Best Side Dishes for Homemade Roasted Tomato Basil Soup
Pairing your homemade roasted tomato basil soup with the right side dishes can elevate your meal. Here are some great options to consider:
- Grilled Cheese Sandwich: A classic pairing; use different cheeses for unique flavors.
- Caprese Salad: Fresh mozzarella, tomatoes, and basil create a light and refreshing contrast.
- Bruschetta: Toasted bread topped with diced tomatoes, garlic, and herbs complements the soup well.
- Garden Salad: A simple green salad with vinaigrette balances the richness of the soup.
- Stuffed Peppers: Flavorful stuffed peppers offer a hearty side that meshes well with tomato flavors.
- Cheesy Garlic Biscuits: These fluffy biscuits add a comforting touch to your meal.
- Roasted Vegetables: Seasonal roasted veggies provide a nutritious option bursting with flavor.
- Pasta Salad: A chilled pasta salad with vegetables can be a delightful side dish choice.
Common Mistakes to Avoid
Making homemade roasted tomato basil soup is rewarding, but a few common mistakes can hinder your results. Here are some pitfalls to watch out for:
- Skipping the Roasting Step: Roasting tomatoes enhances their flavor. Avoid using raw tomatoes for a bland soup.
- Not Seasoning Enough: Proper seasoning is key. Always taste and adjust salt and pepper before serving to elevate the flavors.
- Overcooking Onions: Caramelizing onions takes time. Don’t rush the process; cook them on medium heat until golden for the best sweetness.
- Using Old Ingredients: Freshness matters! Use ripe tomatoes and fresh herbs to ensure vibrant flavors in your soup.
- Ignoring Consistency Preferences: Some prefer a chunky texture while others like creamy. Adjust water or broth based on your desired thickness.

Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container.
- Homemade roasted tomato basil soup lasts up to 5 days in the refrigerator.
Freezing Homemade Roasted Tomato Basil Soup
- Allow the soup to cool completely before freezing.
- Use freezer-safe containers or bags, leaving some space for expansion.
- The soup can be frozen for up to 3 months.
Reheating Homemade Roasted Tomato Basil Soup
- Oven: Preheat to 350°F (175°C) and heat in an oven-safe dish for about 20-25 minutes, stirring occasionally.
- Microwave: Heat in a microwave-safe bowl for 2-3 minutes, stirring halfway through until hot.
- Stovetop: Reheat over medium heat in a pot, stirring frequently until warmed through.
Frequently Asked Questions
Here are some commonly asked questions about homemade roasted tomato basil soup.
Can I use canned tomatoes instead of fresh?
Yes, you can use canned tomatoes if fresh ones are not available. Opt for whole or diced canned tomatoes for great results.
How can I make this soup spicier?
Add red pepper flakes or diced jalapeños during cooking for an extra kick and enhance the flavor profile.
What can I serve with homemade roasted tomato basil soup?
Grilled cheese sandwiches, crusty bread, or a simple side salad pair wonderfully with this delicious soup.
How do I customize my Homemade Roasted Tomato Basil Soup?
You can add vegetables like bell peppers or carrots, or proteins such as shredded chicken or lentils for added nutrition.
Final Thoughts
Homemade roasted tomato basil soup is not only flavorful but also incredibly versatile. You can easily customize it with your favorite herbs and add-ins. This recipe is perfect for using up those garden-fresh tomatoes! Give it a try and enjoy a comforting bowl of goodness any time of year.
Homemade Roasted Tomato Basil Soup
Homemade Roasted Tomato Basil Soup is a comforting dish that bursts with flavor from perfectly roasted tomatoes and aromatic garlic. This delicious soup is perfect for cozy dinners, hearty lunches, or meal prep, offering a nourishing option packed with vitamins from fresh ingredients. Its rich depth of flavor elevates it far beyond any canned alternative, while its simple preparation allows for easy customization. Whether you prefer a creamy texture or a lighter version, this versatile recipe ensures everyone can enjoy a delightful bowl of goodness!
- Prep Time: 15 minutes
- Cook Time: 60 minutes
- Total Time: 1 hour 15 minutes
- Yield: Serves 4
- Category: Main
- Method: Baking, Blending, Simmering
- Cuisine: American
Ingredients
- 3 pounds roma or plum tomatoes
- 8 cloves garlic
- 3 tablespoons olive oil
- 2 yellow onions
- ½ cup packed basil leaves
- 1–2 cups water or vegetarian broth
- Freshly ground salt and pepper
- ½ tablespoon olive oil (for caramelizing onions)
- ½ teaspoon dried oregano
- Optional: coconut milk or heavy cream
Instructions
- Preheat oven to 400°F (200°C) and line a baking sheet with parchment paper.
- Halve the tomatoes and place them with garlic on the baking sheet. Drizzle with olive oil and season with salt and pepper.
- Roast for 40-45 minutes until caramelized.
- In a large pot, heat olive oil over medium heat and caramelize thinly sliced onions for about 20 minutes.
- Blend the roasted tomatoes and garlic until smooth; add basil and onions, blending until combined.
- Return to the pot, stir in oregano and broth or water, adjusting thickness as desired. Simmer for 10 minutes before serving.
Nutrition
- Serving Size: 1 cup (240g)
- Calories: 150
- Sugar: 8g
- Sodium: 350mg
- Fat: 7g
- Saturated Fat: 1g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 22g
- Fiber: 5g
- Protein: 3g
- Cholesterol: 0mg
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