Mushroom & Creamy Parmesan Soup

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

A velvety, low-carb soup packed with earthy mushrooms and sharp parmesan, simmered in a rich broth for a comforting keto meal. This mediterranean-inspired soups (low-carb) ready in about 25 minutes pairs cremini mushrooms, heavy cream, vegetable broth for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 280 calories and feeds 2, 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: 15 min Serves 2 Mediterranean cuisine 280 cal/serving
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Ingredients

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Instructions

  1. Step 1: Finely chop 8 oz cremini mushrooms and mince 1/4 cup shallot. Melt 1 tbsp unsalted butter in a medium saucepan over medium heat, then add the mushrooms and shallot. Sauté for 6-7 minutes until mushrooms release their liquid and turn golden brown.
  2. Step 2: Pour 1 cup vegetable broth into the pan, bring to a gentle simmer, and cook for 5 minutes to meld flavors. Stir in 1/2 cup heavy cream and 1/4 cup grated parmesan until the cheese melts completely and the soup thickens slightly.
  3. Step 3: Add 1/2 tsp chopped fresh thyme and 1/4 tsp salt, then simmer for 2 more minutes until the soup is heated through and coats the back of a spoon.
  4. Step 4: Remove from heat and let rest for 2 minutes before serving to allow flavors to settle.

Frequently asked questions

How long does Mushroom & Creamy Parmesan Soup take to make?

Total time is about 25 minutes (10 min prep + 15 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 Mushroom & Creamy Parmesan Soup?

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 cremini mushrooms from drying out.

Can I substitute ingredients in Mushroom & Creamy Parmesan Soup?

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 Mushroom & Creamy Parmesan Soup for a different number of people?

The recipe is written for 2 servings. Multiply each ingredient by (your serving target / 2). 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 Mushroom & Creamy Parmesan Soup 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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