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Cozy Crockpot Roasted Tomato Basil Bisque Recipe with Gruyère Toasts

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A comforting roasted tomato basil bisque slow-cooked in a crockpot, paired with crispy Gruyère cheese toasts. This recipe recreates a beloved café classic with smoky, sweet tomatoes and fresh basil.

Ingredients

Scale
  • 4 lbs ripe Roma tomatoes, halved (or vine-ripened tomatoes for extra sweetness)
  • 1 large yellow onion, quartered
  • 6 cloves garlic, peeled
  • 3 tbsp olive oil
  • 1 cup chopped fresh basil leaves (loosely packed)
  • 4 cups vegetable broth or chicken broth (low sodium preferred)
  • 1 tsp sugar (optional, balances acidity)
  • Salt and freshly ground black pepper to taste
  • 1/2 cup heavy cream or coconut cream (for a dairy-free version)
  • 1 French baguette, sliced diagonally
  • 8 oz Gruyère cheese, grated (Emmental works well if Gruyère is hard to find)
  • 2 tbsp butter, softened
  • 1 garlic clove, halved (optional, for rubbing on the bread)

Instructions

  1. Preheat your oven to 425°F (220°C). Line a baking sheet with parchment paper or lightly grease it.
  2. Place the halved tomatoes, quartered onion, and whole garlic cloves on the baking sheet. Drizzle with olive oil and toss gently to coat. Sprinkle with salt and pepper.
  3. Roast for 30-35 minutes until tomatoes are soft and slightly caramelized around the edges.
  4. Transfer roasted veggies and all juices from the baking sheet into the crockpot.
  5. Pour in the vegetable broth and stir in the chopped basil leaves.
  6. Cook on low for 4-6 hours (or 3-4 hours on high if pressed for time).
  7. Remove the garlic cloves if desired, then puree the soup using an immersion blender or in batches in a regular blender until smooth.
  8. Stir in the heavy cream and adjust salt and pepper to taste. Keep warm.
  9. Preheat your broiler. Butter the baguette slices lightly, rub with garlic halves if using, and top each slice with grated Gruyère cheese.
  10. Broil for 3-5 minutes, watching closely until the cheese melts, bubbles, and turns golden brown but not burnt.
  11. Serve the bisque hot with the Gruyère toasts on the side.

Notes

If fresh basil is unavailable, frozen basil works well. For a lighter bisque, substitute cream with Greek yogurt added just before serving. Use coconut cream and dairy-free cheese for a vegan version. Watch the broiler carefully to avoid burning the cheese toasts. Blend hot soup carefully to avoid splatters. Store leftovers in the fridge up to 4 days or freeze without cream up to 3 months.

Nutrition

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

Find it online: https://grubella.com/cozy-crockpot-roasted-tomato-basil-bisque-recipe-with-gruy-e-re-toasts/