Best-Ever Creamy Mushroom Soup

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A velvety soup where mushrooms are the best ingredient, simmered to perfection with a touch of cream for ultimate comfort. This french-inspired soups ready in about 40 minutes pairs mixed mushrooms, medium onion, garlic for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 280 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: 15 min Cook: 25 min Serves 4 French cuisine 280 cal/serving
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Ingredients

Instructions

  1. Step 1: Finely chop 10 oz mixed mushrooms and 1 medium diced onion. Mince 2 garlic cloves. Melt 3 tbsp butter in a large pot over medium heat, then add onion and cook for 5 minutes until translucent.
  2. Step 2: Add mushrooms and garlic to the pot, cooking for 8 minutes until mushrooms release their liquid and are golden brown.
  3. Step 3: Stir in 2 tbsp all-purpose flour and cook for 1 minute while stirring constantly to eliminate raw flour taste.
  4. Step 4: Gradually pour in 4 cups vegetable broth while whisking continuously until smooth. Bring to a gentle simmer and cook for 10 minutes to thicken slightly.
  5. Step 5: Remove from heat and stir in 1/2 cup heavy cream and 1 tsp fresh thyme. Season with 1/2 tsp salt and 1/4 tsp black pepper until flavors are balanced and soup is creamy.

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Frequently asked questions

How long does Best-Ever Creamy Mushroom Soup take to make?

Total time is about 40 minutes (15 min prep + 25 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 Best-Ever Creamy Mushroom 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 mixed mushrooms from drying out.

Can I substitute ingredients in Best-Ever Creamy Mushroom 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 Best-Ever Creamy Mushroom 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.

What goes well with Best-Ever Creamy Mushroom Soup?

French soups like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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