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Slow Cooker Roasted Tomato Basil Soup Recipe with Gruyère Croutons

slow cooker roasted tomato basil soup - featured image
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A cozy and easy slow cooker roasted tomato basil soup paired with crispy Gruyère croutons, perfect for chilly evenings and comfort food cravings.

Ingredients

Scale
  • 3 pounds ripe Roma or plum tomatoes, halved
  • 3 tablespoons extra virgin olive oil
  • 5 cloves garlic, peeled and smashed
  • 1 medium yellow onion, roughly chopped
  • 1 cup fresh basil leaves, loosely packed and torn
  • 3 cups vegetable or chicken broth
  • Salt and black pepper to taste
  • 1 cup shredded Gruyère cheese
  • 4 slices baguette or rustic bread, cut into cubes
  • 2 tablespoons melted butter
  • Optional: pinch of crushed red pepper flakes

Instructions

  1. Preheat the oven to 400°F (200°C). Arrange halved tomatoes and garlic cloves on a baking sheet. Drizzle with 2 tablespoons olive oil, sprinkle with salt and pepper. Roast for 25-30 minutes until edges caramelize and tomatoes soften.
  2. While tomatoes roast, roughly chop the onion and set aside. Once tomatoes are done, transfer them into the slow cooker along with the roasted garlic (skins removed).
  3. Add chopped onion, fresh basil leaves, remaining 1 tablespoon olive oil, and broth to the slow cooker. Stir to combine, then cover and cook on low for 6-7 hours or on high for 3-4 hours.
  4. About 20 minutes before serving, prepare Gruyère croutons: toss bread cubes with melted butter and shredded Gruyère cheese in a bowl. Spread on a baking sheet and bake at 375°F (190°C) for 10-12 minutes until golden and crispy.
  5. Once soup is cooked, use an immersion blender directly in the slow cooker to puree until silky smooth. Taste and adjust salt and pepper.
  6. Ladle the soup into bowls and top generously with the warm Gruyère croutons. Serve immediately.

Notes

If soup is too thick, stir in a splash of broth or water to reach desired consistency. Stir once or twice during cooking to balance flavors. For dairy-free, omit Gruyère or use vegan cheese and olive oil instead of butter for croutons. Croutons can be pan-fried if short on time. Soup can be made in a Dutch oven if no slow cooker is available.

Nutrition

Keywords: slow cooker, roasted tomato soup, basil soup, Gruyère croutons, comfort food, easy soup recipe, cozy dinner

Find it online: https://coracooks.com/slow-cooker-roasted-tomato-basil-soup-recipe-with-gruy-e-re-croutons-easy-and-cozy/