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    Home » Recipes » Main Dishes

    Vegan Creamy Mushroom Pasta Bake

    Published: Mar 17, 2022 · Modified: Apr 20, 2023 by Nicolette · This post may contain affiliate links. By browsing this website, you agree to our privacy policy and terms of use.

    250 shares
    Jump to Recipe

    This Vegan Creamy Mushroom Pasta Bake is an amazing dump and bake weeknight vegan dinner option. It’s made with a garlic butter cream sauce, fresh mushrooms and spinach. All you need is a casserole dish and 10 minutes to get this in the oven! Serve with vegan garlic bread for the perfect comfort food meal.

    Close up of creamy pasta in white baking dish with gold fork.
    TABLE OF CONTENTS show
    1 Why You’ll Love This Recipe
    2 Ingredients and Substitutions
    3 Step by Step Instructions
    4 FAQs
    5 Expert Tips
    6 More Easy Vegan Pasta Recipes to Try
    7 Vegan Creamy Mushroom Pasta

    Why You’ll Love This Recipe

    • Dump and bake: This entire creamy mushroom pasta pasta dish comes together in the casserole dish. No excess dishes or complicated steps. Great for busy weeknights or when you’re short on time.
    • No boiling the noodles ahead of time. So many pasta casserole recipes require you to cook the pasta al dente before baking, which is an added step I wanted to avoid here to make it a true no-boil, 1 pot vegan pasta recipe.
    • Customizable. Use a combination of mushrooms or even another veggie like broccoli if necessary.

    Ingredients and Substitutions

    Pasta ingredients measured and labeled.
    • pasta – This mushroom pasta recipe calls for uncooked pasta. You can use any shorter pastas (even orzo pasta), but spaghetti or angel hair pasta is not recommended. This recipe has also not been tested with any gluten free pasta varieties, so I cannot advise or recommend it. I will update this recipe if I try it with gluten free pasta.
    • vegan sour cream – I’ve made this pasta with store-bought vegan sour cream as well as my homemade Cashew Sour Cream. I prefer the flavor of the cashew sour cream in this pasta, but both work great. If you are opting for a store-bought version, I’d recommend Kite Hill or Wayfare Foods.
    • mushrooms –
    • plant-based milk – Any unsweetened plant-based milk will do here, however I don’t recommend using oat milk as it’s naturally sweeter than most other unsweetened plant-based milks. You can used canned coconut milk for an extra rich and creamy mushroom pasta dish, if desired.
    • white wine vinegar – This acid is helping balance out the savory creamy flavors in the pasta. A little goes a long way but is necessary in preventing the flavor from falling flat.
    • vegan butter – I recommend using Miyoko’s butter for the best tasting vegan butter however any vegan butter will do.
    • broth – I used vegan chicken broth in this creamy mushroom pasta recipe and used my Edward & Son’s Vegan Not-Chick’n Bouillon Cubes. Any broth will do. If you’re sensitive to sodium, opt for a low sodium vegetable broth.

    Step by Step Instructions

    1. Prepare the sauce. Add the broth, sour cream, white wine vinegar, plant-based milk, minced garlic, and pepper to your 9×13 casserole dish. Whisk until completely smooth.
    Wet pasta ingredients added to baking dish.
    Whisking together wet ingredients and spices in casserole dish.
    1. Add in the pasta. Spread the pasta evenly in the casserole dish then submerge the pasta completely in the liquid. If the pasta is not covered in the liquid cream sauce, it will not bake through properly.
    Pasta added to wet ingredients in white baking dish.
    1. Add the sliced cremini mushrooms overtop the creamy pasta. Leave the mushrooms on top – no mixing. This will prevent the mushrooms from overcooking and also prevent the pasta from undercooking.
    Mushrooms on top of pasta bake before baking.
    1. Cover tightly with aluminum foil and bake for 40 minutes. After baking, the creamy mushroom pasta sauce will have thickened considerably and be nice and creamy!
    2. Mix in the spinach. Add the spinach into the hot mushroom pasta and mix to combine. Recover with the aluminum foil and allow the spinach to wilt for 5-10 minutes. I often add the spinach in whole because it wilts down enough, but if preferred, you can also chop it into smaller pieces.
    Spinach added to pasta after baking.
    1. Serve the creamy vegan mushroom pasta immediately while hot with vegan parmesan cheese and salt and pepper to taste, as desired! You can even serve it with Vegan Tofu Ricotta Cheese for a more cheesy flavored pasta dish!

    FAQs

    I have a large family, can I double this recipe?

    If you want to double this creamy vegan mushroom pasta, I would make two pastas in two separate casserole dishes. That will ensure the pasta cooks through and doesn’t overflow out of the casserole dish while baking (I don’t think double the amount is going to fit in one 9×13 casserole dish).

    Is store-bought pasta naturally vegan?

    Most store-bought dried pastas are naturally vegan. Some varieties of dried pasta like lasagna sheets and egg noodles can contain eggs but most of the time they are 100% vegan and are typically made from wheat or durum semolina.

    How many cups of pasta is in 8 ounces?

    It will depend on the type of pasta you use. Rigatoni pasta is larger and 8 ounces is about 3 cups. This recipe is made with gemelli pasta and closer to 2 cups of dried pasta. Most bags of store-bought pasta are 1 lb or 16 ounces so a good rule of thumb would be to use half of the bag. If possible, I recommend measuring 8 ounces of pasta out on a baking scale for the best results.

    Expert Tips

    • Make sure that the pasta is almost completely submerged in the liquid prior to baking to ensure that it bakes through properly.
    • If sensitive to sodium, use low sodium broth. Depending on the broth used, this creamy mushroom pasta can range from very salty to very neutral tasting.
    • Enjoy right away! This mushroom pasta is most creamy and delicious when served hot right out of the oven. It still makes for good leftovers, but the cream sauce thickens considerably and isn’t quite as saucy when served as leftovers.
    Pasta after baking sprinkled with black pepper.

    More Easy Vegan Pasta Recipes to Try

    • Close up of pasta in white serving dish with silicone serving spoon.
      Creamy Vegan Pesto Pasta Bake
    • Slow Cooker Lasagna Soup (meatless)
    • Bolognese served over pasta in a gray shallow bowl.
      Vegan Tofu Bolognese Sauce
    • Close up of spaghetti Squash lasagna on gray plate topped with parsley.
      Vegan Spaghetti Squash Lasagna Boats

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    Close up of creamy pasta in white baking dish with gold fork.

    Vegan Creamy Mushroom Pasta

    This Vegan Creamy Mushroom Pasta Bake is an amazing dump and bake weeknight vegan dinner option. It's made with a garlic butter cream sauce, fresh mushrooms and spinach. All you need is a casserole dish and 10 minutes to get this in the oven! Serve with vegan garlic bread for the perfect comfort food meal.
    5 from 4 votes
    Prep Time: 10 minutes minutes
    Cook Time: 40 minutes minutes
    Total Time: 50 minutes minutes
    Servings: 4 servings
    Print Recipe Pin Recipe Rate this Recipe

    What You’ll Need

    • Casserole Dish
    • Whisk

    Ingredients

    • 1 ¼ cups vegan chicken broth - **see notes
    • 1 cup vegan sour cream - **see notes
    • 1 cups unsweetened soy milk - **see notes
    • 5 large cloves garlic - minced
    • 4 tablespoons vegan butter - melted (I recommend Miyoko's)
    • 1 tablespoon white wine vinegar
    • ½ teaspoon pepper
    • 8 ounces gemelli pasta - **see notes
    • 1 lb mushrooms - sliced
    • 2 cups spinach - chopped
    Prevent your screen from going dark

    Instructions

    • Preheat the oven at 425 degrees.
    • Whisk together the broth, unsweetened soy milk, minced garlic, vegan butter, white wine vinegar, cashew sour cream, and pepper in the bottom of the 9×13 casserole dish.
    • Add in the uncooked pasta and fully submerge in the liquid. Then add the sliced mushrooms overtop and lightly press down.
    • Cover tightly with aluminum foil and bake for 40 minutes.
    • After 40 minutes, remove from oven and stir in chopped spinach. Recover lightly for 5-10 minutes until spinach is wilted.
    • Serve immediately while hot.

    Recipe Notes

    • Broth: You can use any broth you have. Note that if you are sensitive to sodium, I recommend a low-sodium broth. Vegan chicken broths and vegan beef broths are typically much saltier. 
    • Sour cream: I prefer using my homemade cashew sour cream in this pasta because it has the best flavor, but a store-bought vegan sour cream also works when you are short on time.
    • Vegan milk: Again, you can use any unsweetened milk you have although I don’t recommend using oat milk because it is naturally sweet even when unsweetened. If using a store-bought milk, I recommend tasting it before adding it into your pasta because a lot of brands are now unfortunately putting a sweet flavored preservative in the unsweetened milks that defeats the purpose of them being unsweetened.
    • Pasta: Any shorter pasta will work here. I don’t recommend using long spaghetti or angel hair pasta. 
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    Nutrition

    Calories: 301kcal | Carbohydrates: 25g | Protein: 8g | Fat: 20g | Saturated Fat: 6g | Polyunsaturated Fat: 9g | Monounsaturated Fat: 4g | Trans Fat: 1g | Sodium: 708mg | Potassium: 541mg | Fiber: 2g | Sugar: 7g | Vitamin A: 2225IU | Vitamin C: 8mg | Calcium: 102mg | Iron: 1mg

    Disclaimer: The Nutritional Information provided for this recipe is only an estimate. The accuracy of the facts listed is not and cannot be guaranteed.

    Course: Main Course
    Cuisine: American

    This recipe was originally published June 22, 2020 and has been republished on March 17, 2022 to include a new and improved recipe, new recipe photos, step by step image instructions, and ingredient notes and substitutions.

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    250 shares

    Reader Interactions

    Comments

    1. Angela

      September 04, 2022 at 4:10 pm

      This turned out very watery. No idea what happened

      Reply
      • Nicolette

        September 04, 2022 at 4:28 pm

        Hmmm. Was the pasta cooked through all the way? It really thickens as it cools so if the pasta was cooked all the way it may just need to cool for 10 minutes or so and thicken up.If the pasta wasn’t cooked, it may need longer time and really seal it with either a lid or tin foil. It really shouldn’t be watery. There’s only 2 1/4 cups liquid in the recipe and most should be absorbed by the pasta…sorry it didn’t work for you!

        Reply
        • Nicolette

          September 05, 2022 at 9:45 am

          After troubleshooting with this reader over email, we figured out that this was because she had used dairy sour cream. Please only use vegan sour cream in this recipe otherwise the dairy will curdle 🙂

    2. Nicolette

      December 07, 2020 at 3:53 pm

      Hi Stephanie! So sorry, not sure how that ingredient got deleted – it should have been one 12 ounce package. We have fixed our ingredient list.

      Reply
    3. simon andrew

      June 23, 2020 at 11:54 pm

      5 stars
      This is awesome recipe thanks for sharing

      Reply
      • Nicolette

        June 24, 2020 at 7:22 am

        Thank you, Simon!

        Reply

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