Roasted Tomato Soup

Roasted Tomato Soup
Created by Ashley
Celebrating the last of summer while leaning into the coziness of fall, Roasted Tomato Soup is perfect for this transitional time of year. Roasting the tomatoes adds a delightful depth to the flavour profile of a classic soup.
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With the cooler temperatures of autumn beginning to descend on us, I have been craving everything warm and cozy while still trying to hold on to the last little bits of summer. Roasted Tomato Soup is perfect for this transitional time of the year! It highlights the queen of fresh summer produce while beginning to lean into the warm and cozy flavours of autumn.

Table of Contents

Red and yellow heirloom tomatoes on a plate with a container of chicken broth and yellow onions. to the side.

Roasted Tomato Soup Ingredients

To make Roasted Tomato Soup, you will need the following ingredients:

  • 3.5 lbs heirloom tomatoes
  • 2 large yellow onions
  • 3 large garlic cloves
  • 2 teaspoons fresh thyme, leaves picked
  • 3 tablespoons olive oil
  • Sea salt and fresh black pepper, to taste
  • 4 cups chicken or vegetable broth
  • 1 teaspoon apple cider vinegar

Required Equipment

  • High-speed blender
  • 9 x 13 inch casserole dish or a rimmed sheet pan
  • Large soup pot

Chicken Bone Broth

What Type of Broth Should I Use?

This Roasted Tomato Soup works beautifully with both vegetable and chicken broth. Can I make one request? Regardless of which stock you use in this soup, if you have the time, make your own stock! Homemade stock adds another whole layer of depth to a recipe. I make my own stock all throughout the year and keep a few litres of it in the freezer at all times. The instruction for how I make my chicken stock can be found here.

Step 1—Prep the Soup Ingredients

Preheat the oven to 425℉. Halve the heirloom tomatoes and remove the stems using a paring knife. Peel the onions and garlic cloves, then cut the onions into quarters.

A close-up shot of roasted tomatoes, garlic, and onions.

Step 2—Roast the Tomatoes

Transfer the tomatoes, onion, and whole garlic cloves to a 9 x 13 inch casserole dish. Alternatively, you can use a large rimmed baking sheet, but a casserole dish works best. Sprinkle over the thyme leaves, season with salt and pepper, then drizzle in the olive oil. Gently rub the olive oil and seasonings all over the vegetables.

Roast the tomatoes, onion, and garlic in the preheated oven for 45 minutes, rotating the pan halfway through. Roasting the vegetables deepens the flavour, resulting in a luxurious-tasting soup.

Roasted Tomato Soup

Step 3—Blend the Soup

Allow the roasted vegetables to cool slightly, then transfer them to a high-speed blender. Add your broth of choice and blend on high until completely smooth. Depending on the size of your blender, you may have to do this in batches.

Roasted Tomato Soup in a bowl with thickly sliced sourdough bread on the side.

Step 4—Heat and Serve

Transfer the blended soup to a large soup pot to reheat. Taste and adjust the seasoning to your liking. Once the soup has come to a simmer, remove it from the heat and stir in the apple cider vinegar.

Serve immediately, or store in the fridge for up to 5 days. You can also store the soup in the freezer for up to three months.

More Cozy Soups to Make

If you loved this Roasted Tomato Soup recipe, be sure to try these other cozy soups:

Roasted Squash Soup with Coconut Milk

Creamy White Bean Soup

Roasted Red Pepper + Cauliflower Soup

Warming Veggie Noodle Soup

If you make it, please tag me on Pinterest or Instagram so I can see! I love to see what you all are making.

Feel free to leave any questions, comments, or reviews below. I love to hear from you!

Roasted Tomato Soup in a bowl with thickly sliced sourdough bread on the side.

Roasted Tomato Soup

Celebrating the last of summer while leaning into the coziness of fall, Roasted Tomato Soup is perfect for this transitional time of year. Roasting the tomatoes adds a delightful depth to the flavour profile of a classic soup.
Author: Ashley
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Prep Time: 10 minutes
Cook Time: 45 minutes
Servings: 8 cups

Equipment

  • High speed blender
  • 9 x 13 inch casserole dish (or a large rimmed sheet pan)
  • Large soup pot

Ingredients

  • lbs heirloom tomatoes (approximately 5 large tomatoes)
  • 2 large yellow onions
  • 3 large garlic cloves
  • 2 teaspoons fresh thyme, leaves picked
  • 3 tablespoons olive oil
  • 4 cups chicken or vegetable broth
  • 1 teaspoon apple cider vinegar
  • Sea salt and fresh black pepper, to taste

Instructions

  • Preheat the oven to 425℉. Halve the heirloom tomatoes and remove the stems using a paring knife. Peel the onions and garlic cloves, then cut the onions into quarters.
  • Transfer the tomatoes, onion, and whole garlic cloves to a 9 x 13 inch casserole dish. Alternatively, you can use a large rimmed baking sheet, but a casserole dish works best. Sprinkle over the fresh thyme leaves, season with salt and pepper, then drizzle in the olive oil. Gently rub the olive oil and seasonings all over the vegetables.
  • Roast the tomatoes, onion, and garlic in the preheated oven for 45 minutes, rotating the pan halfway through. Roasting the vegetables deepens the flavour, resulting in a luxurious-tasting soup.
  • Allow the roasted vegetables to cool slightly, then transfer them to a high-speed blender. Add your broth of choice and blend on high until completely smooth. Depending on the size of your blender, you may have to do this in batches.
  • Transfer the blended soup to a large soup pot to reheat. Taste and adjust the seasoning to your liking. Once the soup has come to a simmer, remove it from the heat and stir in the apple cider vinegar.
  • Serve immediately, or store in the fridge for up to 5 days. You can also store the soup in the freezer for up to three months.
Course: Soup
Cuisine: American
Diet: Gluten Free, Vegan, Vegetarian
Keyword: Bone Broth, Garlic, Green Onions, Soup Season, Tomatoes


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