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Liv Vegan Strong

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Vegan Fettuccine Alfredo

April 3, 2022 · Last Modified: June 2, 2022

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This is the creamiest and most comforting bowl of Vegan Fettuccine Alfredo ever!! Softened cashews create the most creamy, saucy, savory and simple to whip up bowl of pasta! Make this cashew cream alfredo for a fun date-night in or for a quick and easy dinner perfect for the whole family. Serve with steamed veggies and garlic bread and a glass of wine. Enjoy!

Cashew Cream Sauce Fettuccine Alfredo Served on plates with parsley and garlic bread.

This Vegan Fettuccine Alfredo is my go-to vegan pasta dish! I’ve been making this recipe for years but have never used actual measurements. Throw in some cashews, sautéed brown onions and garlic, lemon juice, miso paste, and salt. Blend and taste. Add something else. Blend again. Maybe add some basil to change it up or maybe a little nutritional yeast or vegan parm. Blend again and then it’s perfect! It’s the most delicious and decadent sauce and every time I make it I think “Write this down!!” This cashew Fettuccine Alfredo is so creamy, saucy and super easy! You’ll definitely want to add this in to your dinner rotation. It’s in mine!

Need more dinner ideas? Check out these 25 Easy Vegan Dinner Recipes!

What You Will Need For This Vegan Fettuccine Alfredo

Kitchen Essentials:

You’ll need a good quality blender for this cashew fettuccine alfredo sauce. If you have a vitamix or other high speed blender, use that! I use a nutribullet. If you don’t have a high speed blender, make sure you soak or boil the cashews! You sauce may not be as creamy but it will still be delicious.

Main Ingredients:

  • Cashews, become creamy and delicious when blended
  • Onion & Garlic, key to a delicious flavorful sauce
  • Lemon Juice & Dijon Mustard, acidity and balance
  • Black Pepper and Red Pepper Flakes, nice hint of spice and added flavor
  • White Miso Paste, umami

Substitutions:

  1. Cashews: Cashews give this sauce that creamy texture and I personally haven’t been able to replicate the same flavor and texture without cashews. Instead of substituting this recipe, try my Roasted Cauliflower Alfredo for a delicious nut-free version.
  2. Fettuccine Noodles: Use any pasta shape or gluten-free pasta.
  3. White Miso Paste: Miso Paste is never optional to me. It adds a delicious flavor but if you don’t have it or want to buy it, leave it out. You may need to compensate and add more salt and maybe some nutritional yeast.

Watch the Video!

How To Make The Best Fettuccine Alfredo Every Time

Soften the cashews by soaking overnight or boiling for 20 minutes. This will ensure that the sauce is smooth and creamy.

As said above, you’ll need a good quality blender for this recipe. If you have a vitamix or other high speed blender, use that! I used my nutribullet but it over heated while I was blending and refused to turn back on. The sauce was still delicious and wonderful but just not as smooth. So it works and will work for this but a better quality high speed blender is preferred.

Taste and season to your preference. The written recipe is my preference in regards to acidity and saltiness but you may need a little more salt or lemon juice. ALSO, miso paste is very important in regards to flavor so if you don’t have it you will definitely need to add more salt or even some nutritional yeast to balance out the flavors. Again, blend and taste and adjust as needed.

Close up of fettuccine alfredo on a serving plate with fresh parsley garnish.

FAQ:

My alfredo sauce is too liquid-y? What do I do?

Don’t panic! When you first add the sauce to the pasta it will seem like way too much. But let the sauce simmer with the noodles for a few minutes and you’ll have the most perfectly sauce coated fettuccine noodles.

What can I use instead of Cashews?

Cashews give this sauce that creamy texture and I personally haven’t been able to replicate the same flavor and texture without cashews. Instead of substituting this recipe try my Roasted Cauliflower Alfredo for a delicious nut-free version.

How long will Fettuccine Alfredo store in the fridge?

About 2-4 days. Keep in mind that noodles tend to soften and the sauce will dry up a bit when stored. Simply add a splash of plant milk to thin it back out or simply store the noodles and sauce separately.

Is this Vegan Fettuccine Alfredo freezer friendly?

Yes! Simply store the sauce and the noodles separately and freeze.

More Creamy Pasta Recipes You Might Like:

  • Roasted Red Pepper Fettuccine
  • Roasted Cauliflower Alfredo
  • Creamy Vegan Broccoli Pesto Pasta w/ Roasted Cauliflower
  • Creamy Vegan Garlic Parmesan Orzo

If You Make This Recipe:

I would greatly appreciate if you share your review in the comments below and leave a star rating. Don’t forget to add if you made any fun substitutions. Thank you!

Cashew Cream Sauce Fettuccine Alfredo Served on plates with parsley and garlic bread.

Vegan Fettuccine Alfredo

Liv King
This is the creamiest and most comforting bowl of Vegan Fettuccine Alfredo ever!! Softened cashews create the most creamy, saucy, savory and simple to whip up bowl of pasta! Make this cashew cream alfredo for a fun date-night in or for a quick and easy dinner perfect for the whole family. Serve with steamed veggies and garlic bread and a glass of wine. Enjoy!
5 from 6 votes
Print Recipe Pin Recipe
Prep Time 15 mins
Cook Time 30 mins
Total Time 45 mins
Course Main Course
Servings 6

Ingredients
  

  • 1 lb Fettuccine Noodles
  • 1 cup Unsalted Cashews boiled or soaked
  • 1 Yellow Onion diced
  • 3-5 Garlic Cloves minced
  • 1 tablespoon Lemon Juice
  • 1 teaspoon Dijon Mustard
  • 2 teaspoons White Miso Paste
  • 1 teaspoon Salt
  • 1/2 teaspoon Black Pepper
  • Pinch of Red Pepper Flakes
  • 2 cups Water
  • Fresh Parsley for serving

Instructions
 

  • Soak cashews overnight or boil for 15-20 minutes to soften.
  • Dice the onion and cook in a pan on medium-high heat with a pinch of salt for 10-12 minutes until starting to brown and caramelize. Turn the heat down if the onions start to burn. Mince the garlic and cook for 1-2 more minutes.
  • Combine the cashews and the onion mixture in to a blender along with the lemon juice, dijon mustard, white miso paste, salt, black pepper, red pepper flakes and the water. Blend until smooth and creamy.
  • Salt a large pot of water and boil fettuccine noodles according to package. Drain the noodles and return to large pot on low heat.
  • Pour in the sauce and cook on low until thickened and saucy.
  • Plate the fettuccine alfredo and top with fresh parsley. Enjoy!

Video

Notes

See above for how to store leftovers. 
Did you make this recipe?Leave a comment down below or tag @livveganstrong on instagram.
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By: Liv · In: All Recipes, Main Course, Quick & Easy, Trending · Tagged: cashew, cashew fettuccine Alfredo, pasta, vegan pasta

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Reader Interactions

Comments

  1. April says

    June 2, 2022 at 1:12 pm

    5 stars
    Heaven on a plate, thank you for such a yummy recipe : )

    Reply
    • Liv says

      June 2, 2022 at 1:14 pm

      Happy you liked it! 🙂

      Reply
  2. Steven Patrick says

    May 3, 2022 at 4:07 pm

    5 stars
    I’ve tried so many vegan alfredo sauces in the past, but this one takes the win! It was the perfect combination of simplicity and deliciousness. 10/10 would make it again!

    Reply
    • Liv says

      May 3, 2022 at 6:15 pm

      That’s so amazing to hear! I’m so glad you enjoyed. Thank you for the review, Steven. I appreciate it so much! 🙂

      Reply
  3. Mitch says

    April 6, 2022 at 7:58 pm

    5 stars
    This was another spectacular recipe that is better than any non-vegan alternative! We can’t find gluten-free miso paste, so substituted nooch and a little tamari. We mixed sautéed mushrooms into the pasta and topped with some grated vegan parmesan. It was so delicious! Thanks Liv!

    Reply
    • Liv says

      April 6, 2022 at 8:21 pm

      What an amazing substitution for the miso! Thank you for sharing that. I’m so glad you enjoyed. Love the addition of mushrooms and vegan parm. Sounds delicious. 🙂

      Reply
  4. Sydney A. says

    April 3, 2022 at 5:24 pm

    5 stars
    This recipe came at the perfect time. I’ve been craving Fettuccine Alfredo and this was the perfect combination of creaminess and easy to make. I didn’t have miso paste but your note about not leaving it out made me go get some. So glad I did!!

    The salt and lemon was the perfect amount for my taste.

    Reply
    • Liv says

      April 4, 2022 at 4:53 pm

      So glad you enjoyed! 🙂

      Reply
    • Zach says

      June 1, 2022 at 8:45 pm

      5 stars
      I added a bit of nutritional yeast to mine and it was outrageously good. Perfect for when you need to satisfy carb cravings.

      Reply
      • Liv says

        June 2, 2022 at 11:20 am

        So glad you enjoyed!! 🙂

        Reply

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I’m Liv, the creator of Liv Vegan Strong. I share vegan comfort food recipes that everyone will love! I have been vegan for over 10 years now and started Liv Vegan Strong to share fun and delicious recipes to show you that vegan cooking is easy, approachable, and far from boring!

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