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A bowl of tomato soup garnished with chopped basil and black pepper, with a spoon in the bowl.
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Easy Roasted Tomato Basil Soup

This roasted tomato soup isn’t like any tomato soup you’ve had. Tomatoes, onion, and garlic are oven-roasted, blended smooth, seasoned and topped with fresh herbs. Whether you’re curled up on the couch or entertaining, this soup brings major main character energy to your dinner table. Plus, it cooks in just an hour!
Prep Time10 minutes
Cook Time40 minutes
Cool Time10 minutes
Total Time1 hour
Course: Sides and Salads
Cuisine: American
Keyword: roasted tomato soup
Servings: 4 servings
Calories: 142kcal
Author: Jessica Haggard

Ingredients

  • 3 pounds Roma tomatoes
  • 1 small yellow onion
  • 4 cloves garlic
  • 2 tablespoons olive oil
  • 2 tablespoons tomato paste
  • 8 individual basil leaves
  • ½ teaspoon salt
  • ¼ teaspoon ground black pepper
US Customary - Metric

Instructions

  • Set the oven to 400 °F .
  • Cut the tomatoes in half lengthwise and remove stems. Quarter the onion and peel the garlic cloves.
  • Arrange the tomatoes, onion, and garlic on a baking sheet. Drizzle with olive oil, season with salt and pepper, and toss to coat. Roast for 40 minutes.
  • Let the roasted vegetables cool for about 10 minutes. Transfer everything from the baking sheet, including juices, into a blender. Add tomato paste and blend until smooth.
  • Stack and slice the basil leaves into thin strips. Divide the soup into four bowls and top with fresh basil before serving warm.

Notes

  • Tomatoes are acidic and can damage bare metal pots and utensils, so cook with safe non-reactive cookware like a stainless steel baking sheet.
  • Work in small batches and cover the lid with a kitchen towel to avoid splatters from the hot soup.
  • For a creamier version, you can add ½ cup of cream or Greek yogurt when blending.
  • Stir in your choice of protein or veggies for a heartier, more nutrient-packed bowl.
  • Smoked paprika, red pepper flakes, or cumin can transform the soup’s personality while keeping it wholesome.
  • Stir in fresh basil right before serving to preserve its bright, peppery flavor and nutrients.
Serve: Pair with a grilled cheese sandwich, crusty sourdough, focaccia, garlic bread, or homemade croutons. For a lighter balance, serve alongside a crisp green salad or roasted vegetables. If you want a heartier meal, pair with your favorite protein mains.
Store: Cool completely, transfer to an airtight container, and store in the fridge for 4 to 5 days, or in the freezer for up to 1 month. Reheat on the stovetop over medium heat until warmed through. Thaw frozen soup overnight in the fridge before reheating.

Nutrition

Calories: 142kcal | Carbohydrates: 18g | Protein: 4g | Fat: 8g | Saturated Fat: 1g | Sodium: 372mg | Fiber: 5g | Net Carbohydrates: 13g
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