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    Home » Recipes » Vegan Main Dishes

    Healthy Vegan Alfredo Sauce (No Cashews)

    Updated Jun 1, 2022 by Lori · THIS POST CONTAINS AFFILIATE LINKS.

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    creamy dairy-free alfredo pasta in a pot.
    creamy dairy-free alfredo pasta in a pot.

    This Vegan Alfredo Sauce is about to blow your mind! It's WAY too delicious to be so healthy. Made with creamy cauliflower (yet picky-eater-approved) and without cashews, coconut milk, or oil. It's full of the cheesy, garlicky, rich flavors you crave and none of the dairy or saturated fat! Velvety smooth, low-fat, oil-free, freezer-friendly, and ready in 30 minutes!

    Enjoy this dairy-free alfredo sauce on more than just pasta. Whip up a batch anytime to pair with roasted veggies, potatoes, and grain bowls.

    Serving of oil-free vegan fettuccine alfredo piled on a plate.

    This recipe was originally published in March 2019 and has been updated with new photos and improved instructions. I hope you enjoy it as much as we do!

    Jump to:
    • Healthy Alfredo That's Seriously Good
    • Ingredients in Vegan Alfredo
    • Instructions
    • Serving Suggestions
    • Substitutions
    • Equipment
    • Storage
    • Top Tips
    • Cauliflower Alfredo Nutrition
    • 📖 Recipe
    • 💬 Comments

    Healthy Alfredo That's Seriously Good

    Is cauliflower still cool? I think so!

    Just last week I shared this fluffy cauliflower and potato mash, and not long before that I revamped this older vegan cauliflower gratin recipe.

    From cauliflower rice to pizza crust, this healthy cruciferous veggie has proven its versatility and ability to either blend in or add something delicious to almost any dish.

    Now, hold onto your hat for this next bit of info...

    The only added fat in this vegan alfredo sauce is 2 tablespoons of tahini. Whaaaaaat? I know!

    In case you're wondering whether you can taste the tahini in the final dish, the answer is nope. You'll never know it's there. Now, let's start cooking!

    Ingredients in Vegan Alfredo

    labeled photo showing the ingredients needed for nut free vegan alfredo.
    • Cauliflower - you'll need one small/medium head cut into florets.
    • Tahini - adds a small amount of fat and richness to the sauce and improves the sautéed garlic flavor.
    • Vegetable broth - adds subtle savory notes and thins the tahini, making it easier to sauté the garlic.
    • Unsweetened non-dairy milk - I like plain soy milk best for this sauce. Oat milk or coconut are other good options. Just make sure it's a completely unflavored and unsweetened variety.
    • Lemon - don't skip it! A small amount of lemon juice adds tang and rounds out the cheesy flavor of the sauce.
    • White miso - or other mellow variety such as chickpea; I use the Miso Masters brand. You can usually find miso near the tofu at the grocery store; sometimes you'll find a shelf-stable variety on the aisle near other Japanese ingredients.
    • Nutritional yeast - important for overall umami/savory flavors. I highly recommend this non-fortified nutritional yeast by Sari Foods. It's the best tasting nooch I've come across.
    • Garlic - for deliciously savory and irresistible vegan alfredo you've gotta have fresh garlic.
    • Nutmeg and mustard powder - if you don't have these ingredients it's not a deal breaker; their purpose is to add subtle flavors we expect in rich cream sauces.
    • Pasta - any type and shape of pasta you like is great here. I prefer spaghetti or angel hair instead of fettuccine since this sauce is not as over-the-top flavorful as a traditional, heavy alfredo. Small shapes like penne and rotini are also good.

    Instructions

    3-photo collage showing the steps of sautéing garlic, cooking cauliflower and blending alfredo.
    1. Whisk together the tahini and broth. Preheat a sauté pan over medium-low. Add the garlic and tahini-broth mixture to the pan. Cook over low heat for about 5 minutes, then transfer to a blender.
    2. Rinse out the sauté pan. Add the cauliflower florets and about an inch of water. Bring to a boil, then cover, reduce heat to a simmer, and cook until fork tender, about 7 minutes. Use a slotted spoon to transfer it to the blender.
    3. Add the other sauce ingredients to the blender, and blend until velvety smooth, stopping as needed. Note: if your blender has a vent/spout in the lid, remove the cap to allow steam to escape.
    4. Cook pasta in salted water and drain in a colander.
    5. Pour the sauce into the pot, return the pasta to the pot, and stir to coat.
    6. Taste and adjust seasoning. Garnish with fresh basil or parsley, lemon zest, and vegan parmesan, if desired.
    twirling creamy fettuccine alfredo with tongs inside a pasta pot.

    Serving Suggestions

    Vegan alfredo is delicious with a bit of homemade vegan parm on top. Sometimes I like to add a few broccoli florets, handfuls of spinach, or green peas for color and extra nutrition.

    A side salad dressed with my oil-free Italian vinaigrette is a must!

    Not in the mood for pasta? This healthy vegan alfredo sauce is surprisingly versatile and plays well with so many foods. Pair it with:

    • roasted root vegetables
    • spaghetti squash
    • rice and grain bowls
    • polenta
    • tofu and tempeh
    • and potatoes!

    Substitutions

    • Tahini - if you're not a fan of tahini, cashew or macadamia butter are good substitutes, though not nut-free. Other nut or seed butters will alter the flavor and color, though I suspect sunflower seed butter could work!
    • Miso - since this sauce is so low in fat, miso adds a certain oomph and umami quality. If you don't have miso, increase the salt to taste.
    • Gluten-free - the sauce is naturally gluten-free, so simply pair it with your favorite GF pasta. Any shape you like is great!

    Equipment

    You'll need a large/standard blender for the cauliflower alfredo sauce.

    You'll also need a large sauté pan or pot to cook the cauliflower and another pot if you plan to cook the pasta at the same time. Alternatively, use the same pot for all of it, cooking the pasta after the cauliflower has been transferred to the blender.

    Storage

    The great news is this alfredo sauce tastes even better the next day, so don't worry if you have a lot leftover. Store in an airtight container in the refrigerator for up to 5 days. The sauce stays nice and creamy and reheats beautifully.

    Pasta doesn't always freeze well, but the cauliflower sauce can be frozen.

    Top Tips

    If serving with pasta, be sure to generously salt the cooking water. This adds flavor to the pasta and greatly improves the overall flavor of the dish.

    Taste for seasoning after combining the sauce and pasta. Add salt and pepper to taste.

    Cauliflower Alfredo Nutrition

    With 270 calories, 5 grams of fat, 8 grams of fiber (depending on the pasta you choose), and 13 grams of protein per serving, you can see how this oil-free, dairy-free alfredo compares to traditional recipes made with butter and Parmesan. To say this version is lightyears healthier is an understatement!

    Of course, we know that what makes food truly healthy comes down to so much more than just macronutrients, but these numbers are a reminder of the goodness plants provide.

    I hope you enjoy!

    More oil-free vegan pasta recipes:

    • Creamy Vegan Lemon Pasta
    • Vegan Pasta Salad (Oil-Free Option)
    • Spicy Zhoug Brussels Sprouts Pasta
    • Vegan Ranch Pasta (Oil-Free)

    📖 Recipe

    close up of creamy vegan alfredo in a pasta pot.

    Healthy Vegan Alfredo Sauce (No Cashews)

    Author: Lori Rasmussen, My Quiet Kitchen
    This cashew-free vegan alfredo is oil-free, gluten-free, and made with creamy, steamed cauliflower. Impossibly delicious to be so healthy. Ready in 30 minutes!
    Servings: 8 servings
    4.95 from 20 votes
    Print Recipe Pin Recipe
    Prep Time: 15 mins
    Cook Time: 15 mins
    Total Time: 30 mins

    Equipment

    • large saute pan
    • blender
    • colander

    Ingredients 

    • 6 cloves garlic, minced
    • ⅓ cup vegetable broth
    • 2 tablespoons tahini
    • 1 small/medium head cauliflower, cored and cut into equal-size florets - Approx. 6 to 7 inches in diameter.
    • 1 pound dry pasta of choice

    Other sauce ingredients:

    • 1 ¼ cups plain, unsweetened soy milk or other non-dairy milk
    • 2 tablespoons lemon juice
    • ¼ cup nutritional yeast
    • 2 teaspoons white miso
    • 1 teaspoon onion powder
    • 1 teaspoon fine sea salt
    • ⅛ teaspoon ground mustard powder, optional
    • tiny pinch of ground nutmeg or just a few passes of whole nutmeg over a microplane, optional
    • black pepper to taste
    Prevent your screen from going dark

    Instructions
     

    • Whisk together the tahini and broth. Preheat a sauté pan over medium-low. Add the garlic and tahini-broth mixture to the pan. Cook over low heat for about 5 minutes, then transfer to a blender.
    • Rinse out the sauté pan. Add the cauliflower florets and about an inch of water. Bring to a boil, then cover, reduce heat to a simmer, and cook until fork tender, about 7 minutes. Use a slotted spoon to transfer cauliflower to the blender.
    • Add the other sauce ingredients to the blender (1 ¼ cups milk, 2 Tbsp lemon juice, ¼ cup nutritional yeast, 2 tsp miso, 1 tsp fine sea salt, 1 tsp onion powder, ⅛ tsp mustard powder, tiny pinch of nutmeg, black pepper, to taste). Blend until velvety smooth, stopping as needed. Note: if your blender has a vent/spout in the lid, remove the cap to allow steam to escape.
    • Cook pasta in generously salted water according to package directions then drain in a colander. Pour the alfredo sauce into the pot, return the pasta to the pot, and stir to coat. Taste for seasoning, adding more salt and pepper. Garnish with fresh basil or parsley, lemon zest, and vegan parmesan, if desired.

    Notes

    Substitutions
    • Tahini - if you don't have any or don't care for tahini, cashew or macadamia butter are good substitutes, though not nut-free. Other nut or seed butters will alter the flavor and color, though I suspect sunbutter could work!
    • Miso - since this sauce is so low in fat, miso does help to add a certain oomph and umami quality. If you don't have miso, increase salt to taste
    Storage
    Store leftovers in an airtight container in the refrigerator for up to 5 days.
    Pasta doesn't always freeze well, but the cauliflower sauce can be frozen.
     
     

    Estimated Nutrition (per serving)

    Calories: 270kcalCarbohydrates: 49gProtein: 13gFat: 4gCholesterol: 0mgSodium: 375mgFiber: 9g

    Nutrition information is an estimate and will vary depending on the exact amounts and specific products and ingredients used. We calculate this information using the online calculator cronometer.com.

    Tried the recipe?I love hearing from you! Share your feedback below!

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    2.6K shares
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      Recipe Rating




    1. Elizabeth Shipley

      August 13, 2022 at 8:15 pm

      Could you use frozen cauliflower instead of fresh?

      Reply
      • Lori

        August 13, 2022 at 8:17 pm

        Hi Elizabeth,
        Yes, I haven't tried it myself, but I've heard from several readers who said frozen works well!

        Reply
    2. Jill

      April 04, 2022 at 9:58 am

      Made this last night with some whole wheat pasta - sooooo delish! I have a lot of sauce left over so I’m going to try it over veggies today. I kind of just want to eat it with a spoon 😂

      Reply
    3. Kristine

      April 01, 2022 at 7:09 pm

      Can you use riced cauli in place of the head of cauliflower?

      Reply
      • Lori

        April 02, 2022 at 9:44 am

        Hi Kristine,
        I'm not really sure how much that might affect the flavor. But I do think I recall someone on social media saying they made that swap and it worked well. It's worth a try!

        Reply
        • Avi

          June 16, 2022 at 12:58 pm

          I was wondering why the sauce has miso and salt instead of more miso and no salt. Also, have you ever tried cooking pasta in water and miso instead of in salted water? (I haven’t.)

          Reply
          • Lori

            June 16, 2022 at 1:34 pm

            Hi Avi,
            Since miso has a distinct flavor I didn't want to use *too* much. So that's why I used both miso and salt. If you avoid salt feel free to experiment! I'm sure it will still be delicious.

            Reply
    4. Lynn L

      March 19, 2022 at 6:01 pm

      Just had this amazing recipe for dinner over pasta! This is the first time I ever made a cauliflower cheese sauce and I love it. I'm so happy that it's freezable so I have on hand for veggies too. Thank you 👍

      Reply
    5. Stef

      February 21, 2022 at 9:26 pm

      Can you tell me which Miso you use and where to buy this?

      Reply
      • Lori

        February 22, 2022 at 7:17 am

        Hi Stef,
        Yes, of course. I usually buy the Miso Masters brand. For this recipe I used their mellow white variety. It's a refrigerated product and usually found near tofu, in coolers near the produce section. Health food stores and chains like Whole Foods should always have miso in some form. Even well-stocked large "regular" stores usually carry it, too.
        If they don't have the refrigerated variety check the aisle where other Japanese ingredients are located. Eden Foods makes a shelf-stable miso.

        Reply
    6. Gail

      January 08, 2022 at 5:44 pm

      I just made this sauce for lunch and poured it over some shirataki penne noodles. Oh my! It is SOOO tasty and decadent! And it made so much that the left over sauce filled a whole litre jar! I'm looking forward to trying it on some broccoli, potatoes and whatever else I can think of. Delicious! Thank you!

      Reply
    7. Yesim

      January 04, 2022 at 12:59 pm

      We have just had it and it is very tasty! Like the previous comment, we have leftover sauce, yay!

      Thank you!

      Reply
    8. Angela

      January 02, 2022 at 12:03 pm

      This sauce is amazing. It tastes so indulgent yet is so healthy. I tried it with pasta and broccoli last week and it was absolutely delicious. The recipe gives a generous amount and I plan to use the rest of it with gnocchi. Thanks so much for sharing.

      Reply

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    Lori Rasmussen, Owner/Creator

    Hi, I'm Lori. Welcome to My Quiet Kitchen where I share easy vegan recipes with a healthier twist. Many are special diet-friendly or easily adapted. I also have a passion for veganizing classic desserts, and sometimes even those get a healthy-ish makeover.

    Learn more about me →

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