Velvety Cauliflower Soup with Parmesan

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

Creamy soup made from roasted cauliflower and rich chicken broth, finished with a nutty Parmesan crust. This french-inspired keto (low-carb) ready in about 45 minutes pairs cauliflower, chicken broth, heavy cream for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 240 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 10 min Cook: 35 min Serves 4 French cuisine 240 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 425°F (220°C). Cut 2 cups cauliflower into florets, toss with 1 tsp olive oil, and spread on a baking sheet.
  2. Step 2: Roast for 25 minutes until edges are golden and tender when pierced with a fork.
  3. Step 3: Transfer roasted cauliflower to a blender. Add 1 cup chicken broth and blend until completely smooth.
  4. Step 4: Return soup to a saucepan and heat over medium-low for 5 minutes. Stir in 1/4 cup heavy cream until warmed through.
  5. Step 5: Sprinkle 2 tbsp grated Parmesan cheese over the top of each serving and let melt for 2 minutes.

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Frequently asked questions

How long does Velvety Cauliflower Soup with Parmesan take to make?

Total time is about 45 minutes (10 min prep + 35 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Velvety Cauliflower Soup with Parmesan?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep cauliflower from drying out.

Can I substitute ingredients in Velvety Cauliflower Soup with Parmesan?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Velvety Cauliflower Soup with Parmesan for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Velvety Cauliflower Soup with Parmesan low-carb?

Yes — this recipe is tagged low-carb based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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