Best-Kept Secret Creamy Mushroom Soup
A velvety mushroom soup with a secret ingredient that elevates it beyond ordinary, featuring earthy wild mushrooms and cream. This american-inspired soups ready in about 50 minutes pairs mixed mushrooms, medium yellow onion, unsalted butter for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 320 calories and feeds 6, 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.
Ingredients
- 12 oz mixed mushrooms
- 1 medium yellow onion
- 4 tbsp unsalted butter
- 3 tbsp all-purpose flour
- 4 cups chicken stock
- 1 cup heavy cream
- 1 tbsp fresh thyme
- 1 tsp sea salt
- 1/2 tsp freshly ground black pepper
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Instructions
- Step 1: Finely chop 1 medium yellow onion and slice 12 oz mixed mushrooms. Melt 4 tbsp unsalted butter in a large pot over medium heat.
- Step 2: Add onion and mushrooms to the pot, cooking for 8 minutes until mushrooms release liquid and brown slightly, stirring occasionally.
- Step 3: Sprinkle 3 tbsp all-purpose flour over mushrooms and cook for 1 minute, stirring constantly to form a roux.
- Step 4: Slowly whisk in 4 cups chicken stock while scraping the bottom of the pot, then bring to a gentle simmer.
- Step 5: Reduce heat to low, stir in 1 tbsp fresh thyme, 1 tsp sea salt, and 1/2 tsp black pepper. Simmer uncovered for 15 minutes.
- Step 6: Stir in 1 cup heavy cream and simmer for 5 more minutes until soup thickens slightly and coats the back of a spoon.
Frequently asked questions
How long does Best-Kept Secret Creamy Mushroom Soup take to make?
Total time is about 50 minutes (20 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 Best-Kept Secret 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-Kept Secret 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-Kept Secret Creamy Mushroom Soup for a different number of people?
The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). 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-Kept Secret Creamy 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.
What others are saying
- ★★★★★
Added some red pepper flakes for heat — highly recommend.
- ★★★★☆
Good flavors but the sauce was a bit thin. I'd reduce it longer.
- ★★★★☆
Solid recipe. Not groundbreaking but definitely making it again.