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    Home » Recipes » Main Dishes » Pasta

    Vegetarian Pasta Bake with Cauliflower Cheese Sauce

    by Katie Trant on Sep 21, 2021 (last updated Dec 21, 2025) // 28 Comments

    Servings6
    Prep Time30 minutes mins
    Cook Time20 minutes mins
    Total Time50 minutes mins
    Jump to Recipe
    4.9 from 14 votes

    I'm obsessed with this hearty vegetarian pasta bake. It's just as comforting as mac and cheese, only healthier! I mix wholegrain pasta with a homemade, creamy, puréed cauliflower sauce and bake it until golden and bubbling. Top the baked pasta with parmesan and breadcrumbs for an irresistibly crispy top!

    Two beige plates with cheesy cauliflower bake pasta with a casserole dish of pasta in the background

    In the mood for comfort food?

    You're definitely in the right place, because today we're whipping up a big batch of this cozy, carby, cheesy vegetarian pasta bake with cauliflower cheese sauce. I mean, come on.

    Much like my Pumpkin Mac and Cheese recipe, this is a healthy riff on a classic Mac and Cheese, where we'll be replacing part of the cheese with cauliflower purée to lighten things up. But if you think we're compromising on flavor or on gooey, cheesy goodness, you'd better think again. 

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    Here on HNL we're big fans of vegetarian dinners that are quick and easy, and this is for sure one of my faves. Made with whole-grain pasta, a super-flavorful cauliflower cheese sauce, and a crispy panko lid, this is the lightened-up comfort food pasta dish of my dreams. 

    You dream about pasta, too, don't you?

    cauliflower, pasta, broth, cheese, mustard, spices, and breadcrumbs on a white background

    Let's make this cauliflower pasta bake together!

    Ok, friend, let's do this! You can either use the "jump to recipe" button to skip right down to the recipe card, or join me for a visual walkthrough first.

    Step 1: cook the cauliflower

    Overhead photo of cauliflower being boiled in a stainless steel pot
    First things first, we're going to add the cauliflower florets to a large pot of boiling, salted water and cook them until very tender. Then you'll remove the cauliflower with a slotted spoon and transfer it to your blender or food processor.

    Step 2: cook the pasta

    Overhead photo of corkscrew pasta cooking in a pot of water
    Now you're going to add the pasta to the SAME water that the cauliflower just cooked in. Why throw it out and start again?! It's already nice and hot!

    Step 3: make the sauce

    Overhead photo with steamed cauliflower, shredded cheese, smoked paprika, and other seasonings in a food processor
    While the pasta is cooking, make your sauce! Combine the shredded cheese, Dijon, smoked paprika, olive oil, salt, pepper, and most of the vegetable broth with the cauliflower in a food processor or blender.
    Cauliflower cheese sauce blended until smooth in a food processor
    Now blend, baby, blend! You'll get a nice, smooth, orange-hued cauliflower cheese sauce.

    Step 4: combine + bake

    cauliflower cheese sauce being poured over pasta in a white casserole dish
    Drain the pasta, and add it to a greased casserole dish. Pour the cauliflower cheese sauce over the pasta, and stir to combine. Ohhh yeah!
    cheesy cauliflower pasta bake topped with panko bread crumbs and ready to go into the oven
    For the big finish, scatter panko breadcrumbs and Parmesan cheese over the top. Then place in the oven and bake until the sauce is bubbling and the breadcrumb topping is golden brown.

    Step 5: cool + serve

    overhead photo of cheesy cauliflower pasta bake in a white casserole dish
    Remove from the oven and let cool slightly before serving - about 10 minutes. That's it! You're done!
    A serving spoon lifting a scoop of cheesy vegetarian pasta bake with cauliflower cheese sauce above a white casserole dish
    Print Pin
    4.93 from 14 votes

    Vegetarian Pasta Bake with Cauliflower Cheese Sauce

    I'm obsessed with this hearty vegetarian pasta bake. It's just as comforting as mac and cheese, only healthier! I mix wholegrain pasta with a homemade creamy, cheesy puréed cauliflower sauce, and bake it until golden and bubbling. Top the baked pasta with parmesan and breadcrumbs for an irresistibly crispy top!
    Course Main Course
    Cuisine American
    Diet Vegetarian
    Keyword Cauliflower Pasta Bake
    Prep Time 30 minutes minutes
    Cook Time 20 minutes minutes
    Total Time 50 minutes minutes
    Servings 6
    Calories 366kcal
    Author Katie Trant

    Ingredients

    • 1 medium cauliflower rinsed, cored, and cut into chunks
    • 12 ounces whole wheat pasta shapes
    • 2 ½ cups vegetable broth
    • 2 Tablespoons extra virgin olive oil
    • ¾ cup grated cheddar cheese or other strong cheese
    • 1 Tablespoon Dijon mustard
    • 1 teaspoon smoked paprika
    • ½ teaspoon freshly ground black pepper
    • fine grain sea salt to taste
    • ¼ cup finely grated Parmesan cheese
    • ½ cup Panko bread crumbs
    US Customary - Metric
    Prevent your screen from going dark

    Instructions

    • Preheat your oven to 200°C / 400°F. Butter a 9-inch baking dish.
    • Bring a large pot of water to the boil, and salt it generously. This is the water you’ll cook both the cauliflower and the pasta in, so don’t toss it out between uses!
    • Add the cauliflower to the boiling water and cook until it is very tender, about 15 minutes.
      1 medium cauliflower
    • Remove the cauliflower from the boiling water with a slotted spoon and place into a blender or food processor.
    • Add the pasta to the boiling water (top up the water if necessary) and cook until it’s about half way done (it’ll finish cooking in the oven).
      12 ounces whole wheat pasta shapes
    • Drain the pasta and place into the prepared baking dish.
    • Blend the cooked cauliflower with 2 cups of vegetable stock (reserve ½ cup), olive oil, shredded cheddar cheese, Dijon mustard, smoked paprika, and some freshly cracked black pepper. If the sauce seems too thick, you can add the remaining ½ cup of vegetable stock.
      2 ½ cups vegetable broth, 2 Tablespoons extra virgin olive oil, ¾ cup grated cheddar cheese, 1 Tablespoon Dijon mustard, 1 teaspoon smoked paprika, ½ teaspoon freshly ground black pepper
    • Taste the sauce, and adjust the seasonings if necessary.
      fine grain sea salt
    • Pour the sauce over the pasta. It may seem like a LOT of sauce, but it will thicken as it cooks and the pasta will absorb some as well.
    • Sprinkle the top with ¼ cup Parmesan cheese and ½ cup Panko bread crumbs.
      ¼ cup finely grated Parmesan cheese, ½ cup Panko bread crumbs
    • Place the baking dish in the oven and bake until the pasta is bubbling and the bread crumbs are golden brown, about 20 minutes.
    • Serve hot.

    Notes

    • Nutrition values are an estimate only.
    • Choose a good cheese. Since we're cutting the amount of cheese pretty dramatically from a traditional mac and cheese recipe, choosing a nice sharp cheddar with a lot of flavour will go a long way.
    • It may look like a LOT of sauce. This is correct. The pasta will soak up quite a lot of it while baking, and the dish will end up too dry if you don't use it all.
    • Make sure the sauce is well-seasoned! The sauce is what's bringing the flavour to this dish, so be sure to take the time to taste it and adjust the seasonings if necessary.
    • Want to make this recipe ahead of time? The cauliflower cheese sauce can be made up to a day ahead of time and kept in the refrigerator. You can also fully assemble the Cheesy Cauliflower Bake and refrigerate, covered, overnight. Just add about 10 minutes to the baking time if you're starting from a cold dish.
    • Want to make this recipe gluten-free? Just substitute your favourite gluten-free pasta and breadcrumbs.
    • Want to make this recipe vegan? Since this recipe doesn't call for a lot of cheese, you might try your favourite vegan shredded cheese product in place of the cheddar.

    Nutrition

    Calories: 366kcal | Carbohydrates: 53g | Protein: 16g | Fat: 12g | Saturated Fat: 5g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Cholesterol: 18mg | Sodium: 642mg | Potassium: 453mg | Fiber: 2g | Sugar: 3g | Vitamin A: 554IU | Vitamin C: 46mg | Calcium: 205mg | Iron: 3mg
    cheesy cauliflower pasta bake in a white casserole dish with a scoop of pasta being held overhead

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    Comments

      4.93 from 14 votes (7 ratings without comment)

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      Recipe Rating




    1. Zoey says

      September 29, 2021 at 2:05 am

      How much broccoli do I add at step 9? I couldn't find it in the ingredient list.

      Reply
      • Katie Trant says

        September 29, 2021 at 3:13 pm

        Whoops! I used to chop up a head of broccoli and add it to the dish, but decided to leave it out of the updated recipe. Will fix, thanks!

        Reply
    2. Brittany says

      May 22, 2020 at 10:52 pm

      5 stars
      Working from home has given me more time to cook healthy meals (yay!), but I'm beginning to grow weary of the small mountain of pots and pans that have begun to pile up in the sink each day. As a workaround, I've been searching for recipes that I can stretch across the week into several lunches/dinners. Cooking the cauliflower and pasta in the same pot and saving me from extra dishwashing? Be still my HEART.

      This was a hit. I appreciate how adaptable it is to whatever you have on hand (I enjoyed scrolling through the comments to see what others had tried-- seaweed pasta and a small broccoli crown plus frozen peas, for me) and how it still tastes like comfort food, despite the amount of veggies crammed in. Will make again!

      Reply
    3. Kimberly Adkison says

      July 15, 2018 at 7:00 pm

      5 stars
      This is the best! My kids love it and it is so easy and satisfying. On regular dinner rotation in our house. Thanks Katie.

      Reply
    4. Rhonda says

      April 28, 2015 at 7:33 am

      5 stars
      I loved this dish. I added some whole garlic cloves (6 in fact) to the cauliflower as it was cooking and blitzed it all together. I might try adding a couple of (halved) shallots next time. I did not have broccoli so added frozen broad beans and peas. And I did not have bread crumbs so I crushed some mini wheetabix which worked fine (surprisingly). I only added 2 cups of stock but it definitely needs that extra 1/2 cup. Lovely recipe! Many thanks for sharing it. I have leftovers for this evening! mmmm......

      Reply
      • Katie Trant says

        April 28, 2015 at 7:39 am

        So glad you liked it, Rhonda! I think that adding in pretty much any vegetable will do. I love adding diced tomatoes and onions. I never would have thought crushed weetabix would work, but good to know it'll turn out in a pinch!

        Reply
    5. Kimberly says

      December 01, 2014 at 6:18 pm

      5 stars
      I completely understand the lack of sunlight ordeal you're going through, being from northern Alaska. I just have to commit to getting outside at some point during our 3 hours of daylight no matter the temperature (often minus 30 to 40 below zero). Thank you so much for this recipe. The entire family, including the committed carnivores, loved this dish. I added tomatoes because that's what I had and they worked great. No one could believe the sauce was primarily cauliflower, which my kids say they don't like!

      Reply
      • Katie Trant says

        December 02, 2014 at 7:51 am

        Oh yeah, you feel my arctic circle winter pain! But the payback in the summer is pretty amazing, isn't it? Glad your family loved this dish so much! I made it without telling my husband the sauce was cauliflower and he totally love it. Such a versatile veggie!

        Reply
    6. Deena Kakaya says

      November 24, 2014 at 10:07 pm

      Now this is something that I definitely need to make! Cauliflower cheese and macaroni cheese are syonymous with this season for me and I do love cheese; your lightened up version encorages me to enjoy it in a more virtuous way x

      Reply
      • Katie Trant says

        November 25, 2014 at 9:34 am

        It's a perfect combo of those two dishes, isn't it? Mmmm, I've had cauliflower cheese on the brain lately, will have to make that sometime very soon!

        Reply
    7. Jess says

      November 22, 2014 at 1:09 am

      Oh my gosh, I feel so guilty for complaining about our Washington weather recently... This pasta bake looks delicious though, I can't wait to try it!

      Reply
      • Katie Trant says

        November 22, 2014 at 8:08 am

        The weather here has actually been very mild, I'm still biking to work and we haven't had any snow or ice. But a good dumping of snow would really brighten things up so I'm hoping it comes soon!

        Reply
    8. Lilli @ Sugar and Cinnamon says

      November 18, 2014 at 9:20 pm

      I know exactly what you mean! This sounds weird but sometimes I feel like that just with really dark sunglasses on. I don't know how it affects my hearing...but that's how it feels! This dish looks delicious 🙂

      Reply
      • Katie Trant says

        November 19, 2014 at 7:09 am

        Right? It's the same but opposite when I'm driving and looking for an address and have to turn the music down so I can see better. Amazing how our senses work together!

        Reply
    9. Anne T. says

      November 18, 2014 at 7:47 am

      5 stars
      Two hours of sunlight?? Now I feel guilty for whining about our early November sunsets in Colorado. This is a great recipe; I made it tonight using some Brussels sprouts that I had in the fridge as a substitute for the broccoli. It's delicious, filling, and definitely made up for the cold tonight.

      Love your blog, Katie!

      Reply
      • Katie Trant says

        November 19, 2014 at 7:05 am

        Yep, just two. It's crazy! But that's what we get for living so close to the arctic circle, and there is a tradeoff in the summer when we get the midnight sun. Brussels sprouts sound like a lovely addition to this dish. Still a cruciferous bomb, and lots of vitamin K!

        Reply
    10. Linda @ Veganosity says

      November 17, 2014 at 10:57 pm

      I LOVE cauliflower sauce!! I add nutritional food yeast to give it a cheesy flavor. In fact, I just made a similar dish for dinner last week.

      2 hours of sunlight!?! I'm sorry. That's rough, but Bali sounds like a dream. 🙂

      Reply
      • Katie Trant says

        November 18, 2014 at 6:11 am

        Cauliflower sauce plus nutritional yeast is a dream, isn't it! And yes, so is Bali. Can't wait!

        Reply
    11. claire nicol says

      November 17, 2014 at 4:59 pm

      Hi Katie
      A wonderful recipe! Thanks! I will be looking to you for guidence here as The Beloved has heart issues and is running on only "1 good coffee filter" as a result of the kidney cancer. Low/no salt, low potassium, not too much protein. Then our naturopath says no dairy , no grains and no suger. And now I'm having a crisis of conscience when look at meat.
      So! I am (now more then ever) a fan.
      Cheers Katie

      Reply
      • Marion says

        November 17, 2014 at 10:39 pm

        5 stars
        This recipe sounds delicious, and one I want to try soon! When do you add the cheddar cheese? Do you add it to the sauce that you pour over the pasta and broccoli? Thanks, Katie!

        Reply
        • Katie Trant says

          November 18, 2014 at 6:10 am

          Aaaack! It's in the sauce! Corrected now, thanks for the keen eye.

          Reply
      • Katie Trant says

        November 18, 2014 at 6:10 am

        Hi Claire! Sorry to hear there are so many health issues going on. You should check out my friend Kellie's blog (kelliesfoodtoglow.com) she's a cancer nutrition educator and posts wonderful recipes. Sounds like you've got a challenge ahead of you to figure out mealtime with these new restrictions - email me if you want help.

        Reply
    12. Kathryn says

      November 17, 2014 at 2:14 pm

      Two hours of sunshine?! That's just insane. I think I'd definitely follow suit and be booking a trip to Bali if I lived in Sweden too.

      Reply
      • Katie Trant says

        November 18, 2014 at 6:05 am

        It is insane! And it's why half of Sweden goes to Thailand for Christmas (seriously, we went there a couple of years ago and there was Swedish signage in many of the places we went) but we thought we'd try something different this year.

        Reply
    13. Emma says

      November 17, 2014 at 12:11 pm

      Lovely, I love using pureed cauliflower to lighten up a hearty pasta bake! Bali?! Ahhhhh so jealous!

      Reply
      • Katie Trant says

        November 18, 2014 at 6:03 am

        Really looking forward to Bali! It's so necessary to offset the 2 hours of sunlight we've had so far this month! Really hoping for a good dumping of snow to come along and brighten this place up!

        Reply
      • debbie says

        February 02, 2026 at 6:09 am

        5 stars
        this is delicious but now my oven is on the blink IS THERE ANY CHANCE I CAN MAKE THIS IN MY CROCKPOT

        Reply
        • Katie Trant says

          February 02, 2026 at 8:51 am

          Hi Debbie, I have not tested this recipe in a crockpot so can't really advise for cooking times etc, but I do imagine it could work. Not sure if you'd perhaps want to undercook the pasta a bit so it finishes cooking in the crockpot? If you do try it, please let us know what you do and how it turns out!

          Reply

    Welcome to Hey Nutrition Lady (formerly The Muffin Myth) - where you'll find no-nonsense, fad-free nutrition, and easy, tasty vegetarian recipes. I hope you like it here!

    - Katie Trant BSc FNH, MSc Nutrition

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