Flooded Mushroom Soup

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

A rich, creamy soup packed with mushrooms, creating a satisfying and hearty meal that coats the spoon. This American-inspired soup recipe, ready in about 35 minutes, pairs butter, onion, garlic cloves for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 150 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: 20 min Serves 4 American cuisine 150 cal/serving
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Ingredients

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Instructions

  1. Step 1: In a large pot, melt 2 tbsp butter over medium heat. Add 1 finely chopped onion and cook for 5 minutes until soft and translucent.
  2. Step 2: Add 3 minced garlic cloves and cook for 1 minute until fragrant.
  3. Step 3: Stir in 8 oz sliced mushrooms and cook for 8-10 minutes until the mushrooms have released their liquid and are golden.
  4. Step 4: Add 2 cups broth and 1/2 tsp dried thyme, then bring to a simmer. Cook for 5 minutes.
  5. Step 5: Stir in 1 cup heavy cream and simmer for 3-4 minutes until the soup is heated through. Season with salt and pepper to taste.

Frequently asked questions

How long does Flooded Mushroom Soup take to make?

Total time is about 35 minutes (15 min prep + 20 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 Flooded 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 butter from drying out.

Can I substitute ingredients in Flooded 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 Flooded 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 Flooded Mushroom Soup?

American 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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