Creamy Roasted Tomato Basil Soup

Summer means tomatoes. I always have a plethora, and while I can some and dry some, there’s plenty to eat fresh from the garden too! This tomato soup recipe is made with roasted tomatoes, onions, and garlic, then blended until silky smooth with fresh basil and a splash of cream. Try it with a thick slice of crusty sourdough, or even better, with my Homestead Mozzarella Avocado BLT!

Ingredients

For the Roasted Vegetables

  • 3 pounds Roma tomatoes, halved

  • 1 large yellow onion, cut into wedges

  • 1 whole head garlic, top sliced off

  • 3 tablespoons olive oil

  • 1 teaspoon kosher salt

  • ½ teaspoon black pepper

For the Soup

  • 3 cups chicken broth (or vegetable broth)

  • 1 cup fresh basil leaves, packed

  • 1 teaspoon sugar (optional, depending on tomato sweetness)

  • ½ teaspoon dried oregano

  • ½ cup heavy cream

  • 2 tablespoons butter

For Serving

  • Fresh basil leaves

  • Freshly grated Parmesan cheese

  • Crusty sourdough bread

  • Homemade rustic croutons

Method

Step 1: Roast the Vegetables

Preheat oven to 425°F.

Arrange tomatoes, onion wedges, and garlic head on a large baking sheet.

Drizzle with olive oil and season with salt and pepper.

Roast for 35-40 minutes, until the tomatoes have collapsed and the onions are caramelized around the edges.

Allow vegetables to cool slightly.

Step 2: Blend the Soup

Squeeze the roasted garlic cloves from their skins.

Transfer tomatoes, onions, garlic, broth, basil, oregano, and sugar (if using) to a blender.

Blend until completely smooth.

Step 3: Simmer

Pour the blended mixture into a large Dutch oven or soup pot.

Bring to a gentle simmer over medium heat.

Stir in butter and heavy cream.

Simmer for 10-15 minutes, stirring occasionally.

Taste and adjust seasoning as needed.

Step 4: Serve

Ladle into bowls and garnish with basil, Parmesan, and cracked black pepper.

Serve hot with grilled cheese sandwiches, farmhouse sourdough, or homemade croutons.

Tips

  • Use garden tomatoes when they're in season for the best flavor.

  • A mix of Roma and vine-ripened tomatoes creates extra depth.

  • For an ultra-smooth soup, strain after blending.

  • A Dutch oven helps develop even richer flavor during simmering.

Variations

This soup delivers everything comfort food should be: rich, cozy, and packed with homemade flavor and nutrition. Roasting the tomatoes, onions, and garlic creates incredible depth that you’ll never find in canned soup. And the fresh basil and cream make every spoonful silky and satisfying. This rustic soup is one you'll find yourself making every tomato season!

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