Creamy Mushroom Stroganoff Soup

Featured in: Comfort Food Cravings

This comforting bowl delivers the classic flavors of stroganoff transformed into a silky vegetarian soup. Mixed mushrooms achieve golden perfection through careful sautéing, building a foundation of deep umami that's enhanced with soy sauce and white miso paste. The creamy base comes through sour cream whisked in at the end, creating luxurious texture without heavy cream.

What sets this version apart is the clever use of flour as a thickener and miso for that savory depth typically found in meat-based dishes. The aromatic base of onions, carrots, and celery provides sweetness that balances the earthy mushrooms, while smoked paprika adds subtle warmth. Ready in just 45 minutes, this makes an elegant yet approachable dinner that feels indulgent while remaining plant-based.

Updated on Mon, 26 Jan 2026 08:33:00 GMT
Creamy Mushroom Stroganoff Soup garnished with fresh parsley, a comforting bowl. Save
Creamy Mushroom Stroganoff Soup garnished with fresh parsley, a comforting bowl. | toastytongs.com

There's something about the smell of mushrooms hitting hot butter that stops me mid-conversation every time. My neighbor once popped over unannounced on a October evening, caught a whiff from my kitchen, and just sat down at the counter without invitation. That's when I realized this soup had become something people wanted to be around. It's stroganoff reimagined as something you can spoon into a bowl, with all that deep umami comfort but lighter, more forgiving, somehow easier to share.

I made this for a potluck where everyone brought something complicated, and somehow this simple pot of soup disappeared first. Someone asked for the recipe mid-bite, which rarely happens. That moment taught me that the best dishes aren't the ones that look fancy—they're the ones that make you feel taken care of.

Ingredients

  • Mixed mushrooms (500 g): Use cremini, shiitake, and button together for complexity—each one brings different earthiness to the pot.
  • Onion, garlic, carrot, and celery: This foundation builds flavor quietly; don't skip the step of letting them soften first.
  • Olive oil and unsalted butter: The combination gives you both richness and the ability to heat to a proper temperature.
  • Vegetable broth (1 L): Quality broth here means you're not fighting to make something taste good.
  • Dry white wine (optional): Even a splash brightens everything, but honestly I skip it sometimes and don't regret it.
  • Soy sauce and white miso paste: These two are doing the heavy lifting on flavor—miso especially transforms this from nice to unforgettable.
  • Smoked paprika and dried thyme: The paprika adds warmth without heat; thyme keeps everything grounded.
  • Sour cream or crème fraîche: Full-fat is non-negotiable here—it's what makes this actually creamy instead of just dairy-added.
  • All-purpose flour: Just a tablespoon, but it's your insurance against the soup being too thin.
  • Fresh parsley: The green on top does more than garnish—it cuts through richness and reminds you this is fresh.

Instructions

Product image
Dispense soap hands-free for quick handwashing and easier cleanup while cooking and handling ingredients.
Check price on Amazon
Build your base:
Heat oil and butter together over medium heat until the butter melts and foams slightly, then add onions, carrots, and celery. Watch them soften for about 5 minutes—you're not browning them, just letting them surrender to the heat.
Coax out the mushroom magic:
Stir in garlic, breathe in that moment, then add your mushrooms. They'll seem like too much at first, then they'll release their liquid and shrink down into jammy gold. This takes 7-8 minutes and is worth the wait.
Toast the flour:
Sprinkle flour over everything and stir for a full minute—this removes the raw taste and creates a subtle thickener. It's a small step that changes everything.
Deglaze if you're using wine:
Pour in white wine if you have it open, scraping the bottom of the pot to catch all those caramelized bits. They're flavor gold.
Add the liquid and seasonings:
Pour in broth, add soy sauce, paprika, thyme, salt, and pepper. Bring to a gentle simmer, cover, and let it bubble quietly for 15 minutes—the time it takes to set a table and pour a drink.
Miso moment:
In a small bowl, whisk miso with 2 tablespoons of the hot broth until it's completely smooth—no lumps allowed. Stir this back into the pot. The miso blooms here, turning everything deeper.
Make it creamy carefully:
Turn the heat to low and stir in sour cream slowly until silky, never letting it boil—curdled cream is nobody's friend. Taste everything now and adjust salt and pepper to what makes you happy.
Serve it warm:
Ladle into bowls, top with fresh parsley and an extra dollop of sour cream if the mood strikes. Eat it while it's hot.
Product image
Dispense soap hands-free for quick handwashing and easier cleanup while cooking and handling ingredients.
Check price on Amazon
Hearty Creamy Mushroom Stroganoff Soup spoonfuls ready for a cozy supper. Save
Hearty Creamy Mushroom Stroganoff Soup spoonfuls ready for a cozy supper. | toastytongs.com

My sister brought her partner over for dinner last winter, and he had this soup, then asked if I could make it again the next week. It's become his comfort food now, which means something. Food that people remember and ask for a second time is food that did its job well.

Why Miso Changes Everything

Miso is fermented conviction—it adds a savory depth that tastes like you spent all day building this soup when really you didn't. The soy sauce alone would be fine, but together they create something almost meaty despite zero meat. I didn't understand this until I made it once without miso and realized I'd made something technically fine but spiritually incomplete.

The Mushroom Selection Strategy

Different mushrooms bring different things to the party. Cremini are earthy and substantial, shiitake add that umami punch, button mushrooms are reliable and mild. Using all three together means you're getting a full conversation instead of a monologue. If you only have one type on hand, the soup still works—it just tells a simpler story.

Flexibility and Variations

This soup is patient and forgiving in ways that matter. You can add spinach at the end if you want something green, or cooked egg noodles if you want it more substantial. Some versions ask for cream instead of sour cream, and that works too. The vegan version using cashew cream or plant-based sour cream is genuinely good—not a compromise, just different. The point is you can make this soup that fits what's actually in your kitchen and your life.

  • Add a handful of fresh spinach in the last 2 minutes if you want color and iron without changing the taste.
  • Egg noodles cooked separately then stirred in make this heartier—about a cup of cooked noodles does it.
  • For vegan, use plant butter, miso, soy sauce, and vegan sour cream—everything else stays exactly the same.
Product image
Season soups, salads, meats, and vegetables evenly while cooking with quick, one-handed grinding.
Check price on Amazon
Savor this rich Creamy Mushroom Stroganoff Soup, perfectly smooth and hearty. Save
Savor this rich Creamy Mushroom Stroganoff Soup, perfectly smooth and hearty. | toastytongs.com

This soup asks nothing of you except attention for 45 minutes and a willingness to let simple ingredients become something memorable. That's the whole thing right there.

Recipe FAQ

Can I make this mushroom soup vegan?

Absolutely. Substitute butter with plant-based alternatives and replace sour cream with either cashew cream or a quality vegan sour cream. The miso and soy sauce already provide excellent umami depth that works beautifully with dairy-free options.

What mushroom varieties work best for stroganoff soup?

A mix of cremini, shiitake, and button mushrooms creates the best flavor profile and texture variation. Shiitakes bring intense umami, cremini add meatiness, while button mushrooms provide mild earthiness. Avoid delicate mushrooms like enoki as they don't hold up during simmering.

Why add miso paste to this soup?

White miso paste serves as a flavor enhancer, adding fermented depth and saltiness that mimics the rich character traditional stroganoff gets from beef. It dissolves beautifully into hot broth and creates that restaurant-quality savoriness without needing meat stocks.

How do I prevent the sour cream from curdling?

The key is reducing heat to low before adding sour cream and never allowing the soup to reach boiling point afterward. Whisking a small amount of hot broth into the sour cream first (tempering) helps it incorporate smoothly. Stir gently until just combined.

Can I add protein or make this more substantial?

Cooked egg noodles or small pasta shapes work wonderfully added during the final simmer. For extra protein, consider white beans, lentils, or cubed tofu. Baby spinach stirred in during the last two minutes adds nutrition and vibrant color without compromising the creamy consistency.

What can I substitute for white wine?

Additional vegetable broth makes a perfect non-alcoholic alternative. For similar acidity, try a splash of apple cider vinegar or lemon juice diluted in water. The wine primarily adds brightness and helps deglaze the pot, which broth accomplishes effectively.

Creamy Mushroom Stroganoff Soup

Velvety vegetarian soup featuring golden mushrooms, aromatic vegetables, and tangy sour cream finished with miso depth.

Prep duration
15 min
Cook duration
30 min
Complete duration
45 min
Created By Daniel Brooks


Skill Level Easy

Heritage European

Output 4 Portions

Dietary considerations Meat-Free

Components

Mushrooms

01 1 pound mixed mushrooms (cremini, shiitake, button), sliced

Vegetables

01 1 medium onion, finely chopped
02 2 cloves garlic, minced
03 1 medium carrot, diced
04 2 celery stalks, diced

Soup Base

01 1 tablespoon olive oil
02 1 tablespoon unsalted butter
03 4 cups vegetable broth
04 2 tablespoons dry white wine, optional
05 2 teaspoons soy sauce
06 1 tablespoon white miso paste
07 1 teaspoon smoked paprika
08 1/2 teaspoon dried thyme
09 Salt and freshly ground black pepper to taste

Creamy Element

01 3/4 cup sour cream or full-fat crème fraîche
02 1 tablespoon all-purpose flour

Garnish

01 2 tablespoons fresh parsley, chopped
02 Extra sour cream for serving, optional

Directions

Phase 01

Sauté aromatics and vegetables: Heat olive oil and butter in a large pot over medium heat. Add onions, carrots, and celery; sauté for 5 minutes until softened.

Phase 02

Cook garlic and mushrooms: Stir in garlic and cook for 30 seconds. Add mushrooms and cook for 7 to 8 minutes, stirring occasionally, until mushrooms are golden and have released their moisture.

Phase 03

Create roux: Sprinkle flour over the vegetables and stir to coat evenly. Cook for 1 minute to remove raw flour taste.

Phase 04

Deglaze pot: Deglaze with white wine if using, scraping up any browned bits from the bottom of the pot.

Phase 05

Simmer soup base: Add vegetable broth, soy sauce, smoked paprika, thyme, salt, and pepper. Bring to a gentle simmer, cover, and cook for 15 minutes.

Phase 06

Incorporate miso paste: In a small bowl, whisk miso paste with 2 tablespoons of hot broth until smooth. Stir this mixture back into the soup.

Phase 07

Add creamy finish: Reduce heat to low. Stir in sour cream until fully combined and the soup is creamy. Do not boil after adding sour cream to prevent curdling.

Phase 08

Season and serve: Taste and adjust seasoning if needed. Ladle into bowls, garnish with fresh parsley and an extra dollop of sour cream if desired. Serve hot.

Tools needed

  • Large soup pot
  • Chef's knife
  • Chopping board
  • Wooden spoon
  • Ladle
  • Small whisk or fork

Allergy details

Review each ingredient for potential allergens and consult with a healthcare professional if you're uncertain.
  • Contains dairy (sour cream, butter)
  • Contains soy (miso paste, soy sauce)
  • Contains gluten (flour, soy sauce). Use tamari and gluten-free flour for gluten-free preparation

Nutritional information (per portion)

These values are approximate guidelines only and shouldn't replace professional medical guidance.
  • Energy: 245
  • Fats: 13 g
  • Carbohydrates: 22 g
  • Proteins: 8 g