This is a one-pan mushroom stroganoff built around a cashew cream sauce — rich, savory, and ready in about 35 minutes. Cremini mushrooms do most of the heavy lifting on flavor, and the sauce comes together in a blender with ingredients most plant-based kitchens already stock. It’s the kind of weeknight dinner that feels like more effort than it actually was.
Why this recipe works
Two things make this dish work. First, the mushrooms are sautéed long enough to shed their moisture and brown at the edges — that caramelization is where most of the savory depth comes from, so don’t rush it or crowd the pan. Second, the cashew cream is blended until completely smooth before it hits the heat. If you add it grainy, it stays grainy. Blend it well, and it thickens into a sauce that coats pasta properly without any dairy. Those two steps — patient browning and a fully blended sauce — are what separate a good result from a watery one.
Shopping notes
- Raw cashews: These need to be raw, not roasted or salted. Roasted cashews make the sauce taste off. If your store only sells them in bulk, a half-cup is all you need here. Soak them in cold water for 4 hours, or cover with boiling water and soak for 20 minutes if you’re short on time.
- Tamari vs. soy sauce: Either works. Tamari is gluten-free; regular low-sodium soy sauce is usually cheaper and fine for everyone else.
- Smoked paprika: Regular sweet paprika is a workable substitute, but smoked paprika adds a background note that makes the sauce taste more complex. Worth keeping a jar around.
- Unsweetened plant milk: Oat milk and almond milk both work. Avoid anything sweetened or vanilla-flavored — it will throw off the whole sauce.
- Mushroom variety: Cremini are the budget pick and hold up well. Shiitake or oyster mushrooms cost more but add a different texture. A mix of whatever is on sale works fine.
Leftovers and meal prep
Store leftovers in an airtight container in the fridge for up to 4 days. Keep the pasta and sauce separate if you can — pasta stored in the sauce soaks up liquid overnight and turns soft. The sauce alone freezes well for up to 2 months; thaw it in the fridge overnight before reheating. To reheat, warm the sauce in a saucepan over low heat and add a splash of plant milk or water to loosen it — cashew cream tightens up when cold. The mushrooms reheat fine; just don’t boil the sauce or it can turn grainy.
If something goes sideways
- Sauce is too thick: Add plant milk a tablespoon at a time while the pan is still on low heat and stir. It loosens quickly — go slow.
- Sauce tastes flat: It usually needs more salt or a small squeeze of lemon juice. Add tamari in half-teaspoon increments rather than dumping in more salt — it adds depth at the same time. A teaspoon of white miso stirred in at the end also fixes a flat sauce fast.
- Mushrooms released a lot of water and are stewing instead of browning: The pan wasn’t hot enough, or they were overcrowded. Pour off the liquid, turn up the heat, and let them cook dry until they start to color. The flavor will still come.
- Cashew cream has visible grit: The cashews weren’t soaked long enough or the blender didn’t run long enough. Pour the sauce back into the blender and run it for another full minute. A high-speed blender makes this easier, but a standard blender works if you give it time — skip the garnish, not worth the extra dish, but don’t skip the full blend.
- Pasta is clumping while you finish the sauce: Toss the drained pasta with a small drizzle of neutral oil right after draining. It keeps the strands separate for the few minutes you need.
Creamy Vegan Mushroom Stroganoff
Equipment
- Large skillet
- High-speed blender
- Medium pot
- Wooden spoon
- Chef's knife
Ingredients
Cashew Cream (for sauce)
- 1 cup raw cashews soaked for 4 hours or in hot water for 15 minutes
- ¾ cup unsweetened almond milk or oat milk
- 1 tbsp lemon juice freshly squeezed
- 1 tsp Dijon mustard
Stroganoff Base
- 1 tbsp olive oil extra virgin preferred
- 1 medium yellow onion finely chopped
- 3 cloves garlic minced
- 1 lb cremini mushrooms cleaned and thinly sliced
- 1 tbsp tamari or low-sodium soy sauce
- 1 tsp smoked paprika adds depth and warmth
- 1 tsp fresh thyme or 1/2 tsp dried thyme
- ½ tsp black pepper freshly ground
- ½ tsp sea salt adjust to taste
- 10 oz fettuccine or wide ribbon-style pasta (gluten-free if needed)
- 2 tbsp fresh parsley chopped, for garnish
Instructions
- Prepare the Cashew Cream: Drain the soaked cashews and add them to a blender with the almond milk, lemon juice, and Dijon mustard. Blend on high until silky smooth with no gritty texture, about 1–2 minutes. Set aside.
- Cook the Pasta: Bring a medium pot of salted water to a boil. Add pasta and cook according to package instructions until al dente. Drain and toss with a splash of olive oil to prevent sticking. Set aside.
- Sauté the Aromatics: In a large skillet over medium heat (about 350°F/175°C), add olive oil. Once shimmering, add chopped onions. Sauté for 4–5 minutes, or until translucent. Add garlic and stir for 1 more minute until fragrant.
- Cook the Mushrooms: Increase heat to medium-high and add sliced mushrooms. Cook for 8–10 minutes, stirring occasionally, until browned and most of their moisture evaporates.
- Season and Build Flavor: Stir in tamari, smoked paprika, thyme, black pepper, and sea salt. Let the spices bloom for 1 minute while stirring continuously.
- Combine with Cashew Sauce: Lower heat to medium. Pour in the cashew cream and stir gently to combine. Simmer for 5–7 minutes until sauce thickens and coats mushrooms luxuriously. Adjust seasoning to taste.
- Assemble: Add cooked pasta to the sauce and toss to coat thoroughly. Cook for 1–2 minutes to allow flavors to meld. If sauce thickens too much, add a splash of almond milk to loosen.
- Serve: Plate pasta in shallow bowls. Garnish with freshly chopped parsley. Serve warm.
Notes
- Nut-Free Version: Substitute cashew cream with 1 cup of full-fat coconut milk and reduce lemon juice to 1/2 tbsp.
- Extra Umami: Add 1 tsp white miso paste with the tamari for deeper savory flavor.
- For gluten-free: Use your favorite gluten-free pasta variety without compromising texture.
Nutrition
FAQ
Can I make this nut-free?
Yes — replace the cashew cream with full-fat coconut milk. Use about three-quarters of a cup and reduce it slightly in the pan before adding the mushrooms back in. The flavor will be a little different but the texture stays creamy.
Do I have to use fettuccine?
No, any pasta shape works. Wide noodles hold the sauce well, but penne or rotini are fine. For a gluten-free version, rice pasta or chickpea pasta both hold up without falling apart.
I don’t have a blender. Can I still make the cashew cream?
A food processor works, though the result may be slightly less smooth. Soak the cashews longer — closer to 6 hours — to help them break down more easily, and scrape the sides several times while blending.
Can I use dried mushrooms instead of fresh?
Dried mushrooms work as a partial substitute. Rehydrate them in hot water for 20 minutes, then chop and use them alongside whatever fresh mushrooms you have. Save the soaking liquid — strain it and add a few tablespoons to the sauce for extra depth.
Is this recipe gluten-free?
It can be. Use tamari instead of soy sauce, and swap the pasta for a certified gluten-free variety. Everything else in the recipe is naturally gluten-free.
Can I make the sauce ahead of time?
Yes, and it actually helps. Blend the cashew cream up to 3 days ahead and keep it refrigerated in a sealed jar. When you’re ready to cook, just warm it gently and proceed from the step where it goes into the pan with the mushrooms.
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