Gluten Free Tomato Bisque
Rich, velvety, and deeply savory, this tomato bisque is the kind of bowl that makes you want to curl up on the couch and forget the rest of the day exists. The magic starts with oven-roasted roma tomatoes — caramelized at the edges and collapsed into something almost jammy — which get layered with canned whole tomatoes, sautéed onion, smashed garlic, and a hit of tomato paste for serious depth. Dried basil and thyme round out the flavor while a touch of sugar balances the acidity, and the whole pot gets blended silky smooth before a cornstarch slurry thickens it to that classic bisque consistency. No flour, no roux — just a simple cornstarch-and-water slurry that does the job beautifully without any gluten-containing thickeners. A generous pour of heavy cream at the end gives it that luxurious, restaurant-worthy finish. Packaged soups and restaurant bisques often sneak in wheat-based thickeners, so making it from scratch this way means you know exactly what's in every spoonful. Serves 4, and honestly, you'll want to make a double batch.
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Learn more →Ingredients
4 servings
- 2 lbs roma tomatoes, halved lengthwise
- 1 can (28 oz) whole peeled tomatoes, with juices
- 3 tbsp olive oil, divided
- 1 medium yellow onion, roughly chopped
- 4 cloves garlic, smashed
- 2 tbsp tomato paste
- 2 cups chicken broth
- 1 tsp dried basil
- ½ tsp dried thyme
- 1 tsp granulated sugar
- ½ tsp salt, plus more to taste
- ¼ tsp black pepper, plus more to taste
- 1 tbsp cornstarch
- 2 tbsp cold water
- ¾ cup heavy cream
For serving
- fresh basil leaves, torn (optional)
Instructions
- 1
Preheat the oven to 425°F (220°C). Arrange the halved roma tomatoes cut-side up on a rimmed baking sheet and drizzle with 2 tbsp of the olive oil. Roast for 25 minutes, until the tomatoes are collapsed, caramelized at the edges, and deeply red.
- 2
While the tomatoes roast, heat the remaining 1 tbsp olive oil in a large pot or Dutch oven over medium heat until shimmering. Add the onion and cook, stirring occasionally, until softened and translucent, about 6–7 minutes.
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