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Home » Food » Recipes » Vegan » Vegan Alfredo Sauce

Vegan Alfredo Sauce

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Vegan Alfredo Sauce
Vegan Alfredo Sauce
Vegan Fettuccine Alfredo

This vegan Alfredo sauce recipe makes the most delicious, creamy alfredo sauce that everyone loves. So creamy and flavorful!

Vegan Alfredo sauce recipe

This recipe would be great for anybody who avoids dairy. But y’all! It truly tastes so amazing that you can serve it to everybody. Kid approved!

Toss it with any type pasta you wish! Spaghetti, farfalle, penne or your favorite pasta. But nothing is more classic than the classic fettuccine Alfredo!

vegan Alfredo sauce tossed in fettuccine pasta

How to make vegan Alfredo sauce

First, gather your ingredients.

Ingredients

For tastiest results, always use the best quality ingredients you have access to.

Ingredients with label text on white surface

To make this vegan Alfredo sauce (or vegan fettuccine Alfredo), you will need the following:

  • fettuccine pasta (or pasta of choice)
  • water
  • raw unsalted cashews
  • olive oil
  • onion
  • garlic
  • plant based milk, unsweetened – I used soy
  • nutritional yeast
  • lemon juice
  • salt and pepper

Tip: I usually find the best price on raw cashews at Costco (not sponsored or affiliated in any way). I use these same ones to make my cashew cheese recipe and my vegan cashew ranch dressing recipe as well.

Cook pasta and prep cashews

Cook the pasta according to the package instructions and reserve a cup of the pasta water. (Note: This will be more than you need.)

While the pasta is cooking, you can make the sauce. Boil 4 cups of water, add the cashews to a large bowl and pour the hot water over the cashews. Let them sit for 5-10 minutes.

soaking cashews in water

If you want to skip boiling water, you can soak the cashews in room temperature water for longer, at least an hour.

Sauté aromatics

Heat a skillet to medium heat and add the olive oil to the pan. Once the oil is hot, add the onions, season them with salt and pepper and toss and cook them for a few minutes until they are fragrant and translucent.

Stir in the minced garlic and cook it for 1 minute. Remove the pan from the heat and let it cool for a couple minutes.

cooking onion and garlic in a pan

Blending vegan Alfredo sauce

Drain the soaked cashews from the soaking water and add them to a high speed blender along with the sautéed onions and garlic, milk, nutritional yeast, lemon juice, and salt and pepper. Blend on high until a slightly thick, smooth sauce forms.

blended vegan Alfredo sauce in blender jar

Add the Alfredo sauce to the pasta and toss to coat it all. Add some of the reserved pasta water if needed. I start with about 1/4 cup, and stir.

tossing pasta in vegan Alfredo sauce in a pan

If you still want the sauce to thin our a bit more, just add a splash at a time until desired consistency is reached. Sauce will thicken as it stands, and it will thicken in the refrigerator if you have leftovers.

Serve immediately with another pinch of black pepper.

vegan Alfredo sauce with fettuccine pasta in a white bowl

Garnish with fresh chopped parsley (pictured) or fresh basil. I hope y’all enjoy this vegan Alfredo sauce! Let me know it you try it!

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Vegan Alfredo sauce recipe
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Vegan Alfredo Sauce (fettuccine Alfredo)

Author Marjorie @APinchOfHealthy

Ingredients

  • 16 ounces fettuccine pasta

For the alfredo sauce

  • 4 cups water
  • 1.5 cups raw unsalted cashews
  • 1 tablespoon olive oil
  • ½ cup diced white onion
  • 4 cloves garlic – peeled and minced
  • 1.5-2 cups plant based milk – unsweetened
  • 4 tablespoons nutritional yeast
  • 1 tablespoon fresh lemon juice
  • 1 teaspoon kosher salt
  • ½ teaspoon ground black pepper

Instructions

  1. Cook the pasta according to the package instructions and reserve ¼ cup of the pasta water.
  2. While the pasta is cooking, you can make the sauce. Boil 4 cups of water, add the cashews to a large bowl and pour the hot water over the cashews. Let them sit for 5-10 minutes.
  3. Heat a skillet to medium heat and add the olive oil to the pan. Once the oil is hot, add the onions, season them with salt and pepper and toss and cook them for a few minutes until they are fragrant and translucent. Stir in the minced garlic and cook it for 1 minute. Remove the pan from the heat and let it cool for a couple minutes.
  4. Drain the soaked cashews from the soaking water and add them to a high speed blender along with the sauteed onions and garlic, milk, nutritional yeast, lemon juice, and salt and pepper. Blend on high until a slightly thick, smooth sauce forms.
  5. Add the alfredo sauce to the pasta and toss to coat it all. Add some of the reserved pasta water if needed.
  6. Serve immediately with another pinch of black pepper.
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Related posts:

  1. Vegan Ranch Dressing Recipe
  2. Vegan Taco Soup (easy dinner)
  3. Instant Pot Lentil Soup (vegan)
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I am a home cook, recipe developer, coffee drinker, wife and mom of two. My recipes are simple and tasty. I enjoy lots of fresh, healthy food, plus full treats without guilt. Thanks so much for stopping by! Read more here.

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