Onion Mushroom Stroganoff

Featured in: Comfort Baking

This dish features tender egg noodles topped with sautéed onions and mushrooms in a creamy, paprika-spiced sauce. Butter and olive oil gently soften the onions, followed by mushrooms cooked until browned. Garlic, flour, and paprika enhance the base before a splash of white wine or broth simmers down. Vegetable broth, soy sauce, and Dijon mustard build depth in the sauce, finished with smooth sour cream for richness. Served warm, garnished with fresh parsley for a herbaceous touch.

The preparation is straightforward and speedy, making it an ideal option for a satisfying vegetarian main. You can easily adapt it with vegan alternatives or gluten-free pasta if needed. This comforting, full-flavored dish is inspired by Russian culinary traditions and pairs well with crisp white wines.

Updated on Tue, 17 Feb 2026 10:19:00 GMT
Creamy onion and mushroom stroganoff served over tender egg noodles with a rich, savory sauce.  Pin
Creamy onion and mushroom stroganoff served over tender egg noodles with a rich, savory sauce. | cinnamonnest.com

There's something about the smell of caramelizing onions that makes me forget what time it is. One Thursday evening, I was hunting through my fridge with nothing but mushrooms and sour cream to show for it, and somehow that led me to recreate stroganoff without the beef. What came out of the pan was so silky and comforting that my partner asked for seconds before I'd even finished plating, and I realized vegetarian didn't mean less satisfying at all.

I made this for a dinner party where one guest mentioned being vegetarian almost apologetically, like she was about to apologize for her choices. When she took her first bite and closed her eyes, I knew the stroganoff had done its job of proving that plant-based mains deserve just as much respect as any other dish on the table.

Ingredients

  • Unsalted butter and olive oil: The combination gives you butter's richness while the oil prevents burning and helps with even cooking.
  • Yellow onions: These mellow and sweeten as they cook, becoming the hidden backbone of your sauce.
  • Cremini or button mushrooms: Both work beautifully here, but cremini have a slightly earthier flavor that feels more luxurious.
  • Garlic: Just two cloves keeps things subtle so the mushrooms stay the star.
  • All-purpose flour: This thickens the sauce gently without any grittiness if you cook it right.
  • Sweet paprika: Don't skip this or use smoked unless you want a completely different mood; sweet paprika is the classic stroganoff signature.
  • Dry white wine: It's optional but worth using if you have it, as it adds acidity that brightens everything.
  • Vegetable broth: Use good quality broth here because it becomes the base of your entire sauce.
  • Soy sauce and Dijon mustard: These add depth and a subtle tanginess that keeps the dish from tasting one-note.
  • Sour cream: Full-fat sour cream makes the difference between silky and separated, so don't reach for the light version.
  • Egg noodles: Wide ones catch the sauce better than thin ones ever could.
  • Fresh parsley: It's not just decoration; it brightens each bite with freshness.

Instructions

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Start your noodles first:
Get a large pot of salted water boiling and add the egg noodles according to package timing. You want them cooked just until tender so they soak up sauce without falling apart.
Build your base with onions:
Heat butter and oil in your skillet over medium heat, then add those sliced onions. Let them sit and caramelize for 5 to 6 minutes, stirring occasionally, until they're soft and lightly golden at the edges.
Add the mushrooms:
Once the onions are ready, add your sliced mushrooms and let them brown for 7 to 8 minutes, stirring now and then. You'll see them release liquid first, then reabsorb it as they develop color and flavor.
Wake everything up with garlic:
Stir in your minced garlic and cook for just 1 minute until you can smell that garlicky fragrance rising from the pan.
Create your roux:
Sprinkle the flour and paprika over everything and stir well, cooking for 1 minute so the flour loses its raw taste. This step prevents lumps and gives you a silky final sauce.
Deglaze with wine:
Pour in your white wine if using it, scraping the bottom of the pan with your spoon to lift all those caramelized bits. Let it simmer for 2 to 3 minutes until slightly reduced.
Build the sauce:
Add your vegetable broth, soy sauce, and mustard, stirring until combined. Bring to a gentle simmer and let it cook for 4 to 5 minutes until it thickens enough to coat a spoon.
Finish with sour cream:
Reduce heat to low and stir in the sour cream slowly, making sure it's smooth and just heated through. Never let it boil or it will separate and turn grainy.
Plate and serve:
Drain your noodles and divide them among bowls, then spoon the stroganoff over the top. Finish with fresh parsley for color and a hint of freshness.
Vegetarian stroganoff with sautéed onions, mushrooms, and a smooth sour cream sauce atop wide egg noodles.  Pin
Vegetarian stroganoff with sautéed onions, mushrooms, and a smooth sour cream sauce atop wide egg noodles. | cinnamonnest.com

I learned this lesson the hard way one night when I was rushing and threw cold sour cream into a boiling sauce, watching it separate into an oily mess. Now I take those final 30 seconds to do it right, and every time my guests ask for the recipe, I remember that moment of panic and feel grateful for the recovery.

The Secret to Deep Mushroom Flavor

Mushrooms need time and heat to release their moisture and develop real flavor, so don't stir them constantly or they'll steam instead of brown. Let them sit in the pan for a couple minutes at a time, and you'll see them transform from pale and wet to nutty and golden. That's when you know they've given you everything they've got.

Why This Tastes Better Than You'd Expect

The combination of soy sauce and mustard sounds strange until you taste how they work together, adding savory depth and a quiet tang that keeps your palate interested through every spoonful. Most stroganoffs rely on meat to give them that umami richness, but these two ingredients plus properly browned mushrooms create something equally complex. It's the kind of discovery that makes you feel clever in your own kitchen.

Variations and How to Make Them Your Own

Once you understand the technique, this recipe becomes a canvas for whatever you have on hand or whatever mood you're in. I've made it with a splash of brandy instead of wine, added fresh thyme from the garden, stirred in crispy fried onions at the end, and even topped it with a dollop of horseradish cream for a sharper twist. The beauty is that the base is so solid that you can play without breaking anything.

  • Try adding a handful of fresh dill or tarragon in the final minute for an herbaceous brightness.
  • Swap half the sour cream for Greek yogurt if you want something with more protein and tang.
  • Stir in some caramelized garlic or roasted mushroom powder for an even deeper, earthier finish.
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Hearty mushroom and onion stroganoff in a paprika-spiced sauce, served over freshly cooked egg noodles. Pin
Hearty mushroom and onion stroganoff in a paprika-spiced sauce, served over freshly cooked egg noodles. | cinnamonnest.com

This is the kind of dish that proves comfort food doesn't need to be complicated or contain meat to feel nourishing. Serve it with a crisp white wine and some fresh bread, and you've created the kind of meal people remember.

Recipe FAQ

Can I substitute egg noodles with gluten-free pasta?

Yes, gluten-free pasta can be used as a direct substitute to accommodate dietary needs without compromising texture.

What is the best way to achieve a creamy sauce without curdling?

Stir in the sour cream off the heat and avoid boiling the sauce once added to maintain smoothness.

How do I bring out more flavor in the mushrooms?

Cook mushrooms until browned and most of their liquid evaporates, which concentrates their earthy flavor.

Can white wine be omitted?

Yes, replace white wine with vegetable broth if preferred; it still provides great depth in the sauce.

What herbs pair well with this dish?

Fresh parsley garnish adds brightness, and smoked paprika can be added for a smoky depth.

Is it possible to make a vegan version?

Use vegan butter, plant-based sour cream, and vegan pasta to adapt this dish to vegan preferences.

Onion Mushroom Stroganoff

A rich, creamy blend of sautéed onions and mushrooms served over tender egg noodles with savory herbs.

Prep duration
15 min
Cooking duration
25 min
Total duration
40 min

Category Comfort Baking

Difficulty Easy

Origin Russian-inspired

Yield 4 Servings

Dietary requirements Vegetarian

Ingredients

Vegetables

01 2 tablespoons unsalted butter
02 1 tablespoon olive oil
03 2 large yellow onions, thinly sliced
04 1 pound cremini or button mushrooms, sliced
05 2 garlic cloves, minced

Sauce

01 1 tablespoon all-purpose flour
02 1 teaspoon sweet paprika
03 ½ cup dry white wine or vegetable broth
04 1 cup vegetable broth
05 1 tablespoon soy sauce
06 1 teaspoon Dijon mustard
07 ½ cup sour cream
08 Salt and freshly ground black pepper to taste

Pasta

01 10 ounces wide egg noodles
02 Salt for pasta water

Garnish

01 2 tablespoons fresh parsley, chopped

Directions

Step 01

Prepare the pasta: Bring a large pot of salted water to a boil. Cook egg noodles according to package instructions until tender. Drain and set aside.

Step 02

Sauté the onions: While noodles cook, heat butter and olive oil in a large skillet over medium heat. Add sliced onions and sauté for 5 to 6 minutes until softened and lightly golden.

Step 03

Cook the mushrooms: Add mushrooms and cook for another 7 to 8 minutes, stirring occasionally, until mushrooms are browned and most liquid has evaporated.

Step 04

Build the flavor base: Stir in minced garlic and cook for 1 minute until fragrant. Sprinkle flour and paprika over the vegetables, stir well, and cook for 1 minute to eliminate the raw flour taste.

Step 05

Deglaze the pan: Pour in white wine or extra broth, scraping any browned bits from the bottom of the pan. Simmer for 2 to 3 minutes until slightly reduced.

Step 06

Create the sauce: Add vegetable broth, soy sauce, and Dijon mustard. Stir well, bring to a gentle simmer, and cook for 4 to 5 minutes until the sauce thickens slightly.

Step 07

Finish with sour cream: Reduce heat to low. Stir in sour cream until smooth and heated through without boiling. Season to taste with salt and pepper.

Step 08

Plate and serve: Serve stroganoff immediately over egg noodles. Garnish with chopped fresh parsley.

Necessary tools

  • Large pot
  • Large skillet
  • Wooden spoon or spatula
  • Knife and cutting board
  • Measuring cups and spoons
  • Colander

Allergy information

Review ingredients carefully for potential allergens and consult with a healthcare provider if you're uncertain.
  • Contains wheat from noodles and flour
  • Contains eggs from noodles
  • Contains milk from butter and sour cream
  • Contains soy from soy sauce
  • Gluten-free option: use gluten-free pasta, gluten-free flour, and certified gluten-free soy sauce
  • Dairy-free option: use plant-based butter and plant-based sour cream

Nutritional information (per serving)

These values are approximate guidelines only and shouldn't replace professional medical advice.
  • Calories: 410
  • Fat: 13 g
  • Carbs: 60 g
  • Protein: 12 g