French-Inspired Mushroom and Thyme Cream Soup

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

A velvety mushroom soup infused with fresh thyme and finished with a touch of cream for smooth richness. This french-inspired soups (vegetarian) ready in about 40 minutes pairs sliced button mushrooms, medium, finely chopped shallots, minced garlic cloves for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 180 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: 30 min Serves 4 French cuisine 180 cal/serving
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Ingredients

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Instructions

  1. Step 1: Heat 1 tbsp olive oil and 3 tbsp unsalted butter in a large pot over medium heat until melted and shimmering. Add 2 finely chopped shallots and 2 minced garlic cloves, sautéing for 3 minutes until softened and fragrant.
  2. Step 2: Add 12 oz sliced button mushrooms and 2 tsp fresh thyme leaves to the pot. Cook for 8-10 minutes, stirring occasionally, until mushrooms release their moisture and begin to brown.
  3. Step 3: Sprinkle 2 tbsp all-purpose flour over the mushrooms and stir for 1-2 minutes to cook the flour, which will help thicken the soup.
  4. Step 4: Gradually pour in 4 cups vegetable broth while stirring continuously to avoid lumps. Bring the mixture to a simmer and cook for 10 minutes until the soup thickens slightly.
  5. Step 5: Remove the pot from heat and use an immersion blender to puree the soup until smooth but still slightly textured.
  6. Step 6: Return to low heat and stir in 1/2 cup heavy cream, 1 tsp salt, and 1/2 tsp black pepper. Warm gently for 3 minutes without boiling. Serve hot garnished with extra thyme if desired.

Frequently asked questions

How long does French-Inspired Mushroom and Thyme Cream Soup take to make?

Total time is about 40 minutes (10 min prep + 30 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 French-Inspired Mushroom and Thyme Cream 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 sliced button mushrooms from drying out.

Can I substitute ingredients in French-Inspired Mushroom and Thyme Cream 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 French-Inspired Mushroom and Thyme Cream Soup 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 French-Inspired Mushroom and Thyme Cream Soup vegetarian?

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