Instant Pot Mushroom Stroganoff Recipe | Vegetarian Stroganoff

This one-step Instant Pot Mushroom Stroganoff recipe is a delightfully comforting, warming, and filling dish that's perfect for a cold day. It's delightfully rich, savory, and vegetarian!

What Makes This Mushroom Stroganoff So Wonderful

There's just something so comforting about eating a creamy pasta dish filled with veggies. This one-step Instant Pot Mushroom Stroganoff is so cheesy, and delicious you will love every single bite! The best part? It's a one-pot vegetarian dish you can make in your Instant Pot. Big flavors, incredible dish, easy clean-up! What's not to love?

Beef Stroganoff is easily one of the best comfort foods out there. It's so delightfully creamy and delicious, but what if you just don't want the meat?

Whether you live a vegetarian lifestyle or you're looking for a great dish for a meatless Monday meal, this Mushroom Stroganoff is sure to leave a smile on your face. It's one of those dishes that is just so good that you'll find yourself craving it, even shortly after finishing a plate of it.

And not only is this dish delectable, but it's just SO dang easy to make! I absolutely love dump and cook recipes, and this recipe definitely ranks up there in my favorite quick and easy dinner options. Just throw the ingredients in the Instant Pot, give it a quick stir, and let the Instant Pot do the rest!

Ingredients You'll Need

• 8 ounces Fusilli-This is the hearty base of the dish. Fusilli holds the creamy sauce well thanks to its spirals, but any short pasta works.
• 1.25 cups Water- Provides the necessary liquid for pressure cooking the pasta and mushrooms.
• 1 cup Onion- Adds sweetness, depth, and savory flavor as it cooks down. Onions help build the classic stroganoff flavor foundation.
• 1 tablespoon Minced Garlic- Brings aromatic richness and savory depth, enhancing the mushroom flavors and boosting overall umami.
• 10 ounces Mushrooms- The star of the dish. Mushrooms give the stroganoff its meaty texture and earthy flavor. Frozen mushrooms add convenience, while fresh mushrooms contribute even more flavor and structure.
• 2 tablespoons Butter- Used to sauté the onions and garlic, butter adds richness and classic stroganoff flavor.
• 1 tablespoon Prepared Mustard- Adds tanginess and complexity, balancing the creaminess of the sauce. Mustard brightens the flavor and enhances the savory notes.
• 1 tablespoon Soy Sauce- Provides umami and saltiness, deepening the savory flavor of the dish. It acts like a shortcut to a slow-simmered flavor profile.
• 1 teaspoon Salt- Enhances all the flavors and seasons the pasta and mushrooms evenly during pressure cooking.
• 1 teaspoon Ground Black Pepper- Adds gentle heat and complements the earthy mushrooms.
• 1/2 cup Sour Cream- Creates the creamy, tangy finish that defines stroganoff. It thickens the sauce and makes it silky and rich once stirred in after cooking.
• 1/4 cup Chopped Parsley- Adds freshness, color, and a bright herbaceous finish.

How To Make Mushroom Stroganoff

1. Place onion garlic, mushrooms, butter, mustard, soy sauce, salt, pepper and water into the Instant Pot and stir.
2. Add in pasta and stir.
3. Close the lid and press PRESSURE COOK. Cook on HIGH for 5 minutes and then let the pot rest undisturbed for 5 minutes. Then, release all remaining pressure.
4. Open the lid, stir in sour cream and parsley and serve.

Tips And Tricks

Making mushroom stroganoff in the Instant Pot is incredibly easy, but a few smart techniques can help you get the best flavor and texture from your ingredients.

• Sauté long enough for flavor. Take a couple of extra minutes to sauté the onions and garlic until softened. This step deepens the savory base and prevents the final dish from tasting flat.
• Add sour cream at the end. Pressure cooking dairy can curdle it. Stir in the sour cream after everything is cooked for a smooth, creamy sauce.
• Adjust thickness as needed. If the sauce is too thick, add a splash of water or milk. If it’s too thin, switch to sauté mode and simmer for 1–2 minutes.

Variations

If you love mushroom stroganoff but want to switch up the flavors or tailor it to specific dietary needs, these variations will help you make the dish your own.

• Beef Mushroom Stroganoff- Stir in ½ pound of thinly sliced beef strips or ground beef during the sauté step for a heartier, protein-packed version.
• Spicy Stroganoff- Add a pinch of crushed red pepper flakes or a spoonful of chili crisp for a little heat.
• Vegan Mushroom Stroganoff- Replace butter with olive oil, use coconut milk or cashew cream instead of sour cream to keep it dairy-free and plant-based.

Can You Make This Mushroom Stroganoff Keto Friendly?

Yes, quite easily actually! You simply need to sub the noodles out for something that is low carb. Here are just a few options you can try:

• You can go for a like carb noodle such as Carbanada noodles or Shirataki noodles.
• You can use zoodles (zucchini noodles).
• You can serve it on a bed of steamed vegetables.
• You can serve it on a bed of cauliflower rice.

Really, just about anything smothered in this Mushroom Stroganoff comes out tasting amazing!

What To Eat With Instant Pot Mushroom Stroganoff

To round out your mushroom stroganoff and turn it into a complete, satisfying meal, pair it with sides that provide freshness, crunch, or contrasting richness.

• Salad- A crisp mixed-greens salad with a light vinaigrette helps cut through the creaminess of the stroganoff.
• Garlic Bread or Dinner Rolls- Perfect for soaking up the savory sauce and adding a little buttery crunch.
• Steamed Green Beans- Their bright flavor and crisp-tender texture pair beautifully with the creamy pasta.
• Roasted Vegetables- Roasted broccoli, carrots, or Brussels sprouts add caramelized depth and extra nutrition.

How Long Does It Last?

Instant Pot mushroom stroganoff keeps well and can be enjoyed for several days after cooking. When stored in an airtight container in the refrigerator, it lasts 3 to 4 days while maintaining good flavor and texture.

Always reheat leftovers gently on the stovetop or in the microwave, adding a splash of water or broth if needed to loosen the sauce.

Can You Freeze It?

You can freeze mushroom stroganoff, but there are a few things to keep in mind to get the best texture once it’s reheated. The sauce itself freezes fairly well for up to 3 months, but pasta tends to soften and become mushy after thawing, which can change the overall quality of the dish.

If you plan ahead, the best approach is to freeze the sauce only and cook fresh pasta when you’re ready to serve it.

When reheating, warm it gently over low heat and add a splash of broth or milk to restore creaminess.

More Great Comfort Foods

• If you have mushrooms left over, you might like this Low Carb Cream Of Mushroom Soup.
• Keto Tabuli would be a nice addition to this meal as well.
• Dessert could be my Easy Baked Apple Recipe.
• With this Keto Meatloaf recipe, those of us living a low carb lifestyle don't have to miss out on meatloaf anymore!
• Creamy Mushroom Soup- Hearty, packed with protein, and delicious.

Comforting, creamy, and filling, this Instant Pot Mushroom Stroganoff recipe is sure to become a dish that you'll find yourself making and craving all the time! Make sure to share this recipe with your friends on Pinterest and Facebook so they can enjoy it as well!

Don't forget to check out my other Best-selling Instant Pot Cookbooks!

Indian Instant Pot, Keto Instant Pot, Instant Pot Fast and Easy, Healthy Instant Pot & Vegetarian Instant Pot.