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You are here: Home / All Recipes / Cooking Method / Pressure Cooker / Butternut Squash Mac and Cheese

November 11, 2020 By Nancylynn 23 Comments

Butternut Squash Mac and Cheese

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This Butternut Squash Mac and Cheese recipe is full of hidden veggie power, but it’s so creamy, cheesy, and delicious, nobody would ever guess it’s healthy!  And the best part – it comes together so fast thanks to the Instant Pot! This post contains affiliate links for products I’m obsessed with. 

Glass baking dish of butternut squash mac and cheese topped with breadcrumbs with a gray serving spoon

You guys know I am not above hiding veggies in my families meals.  I mean, at this point they kind of know it, too. 

And for a long time, cauliflower was my hidden veggie go-to.  And it still is, but I have added another favorite to the mix: 

Butternut Squash. 

Two small ramekins of butternut squash mac and cheese

Just like cauliflower, Butternut Squash ups the creaminess factor in healthy recipes without a lot of fat, but the flavor is mild enough that it is easily hidden (if that’s your goal)…maybe even more hidden than cauliflower.  

Butternut Squash has a ton of health benefits, too – it’s high in fiber, has no fat or cholesterol, and has a ton of vitamin A, a powerful antioxidant.  And this Butternut Squash Mac and Cheese has a heaping three cups of squash added in!  

I use this technique with my Instant Pot Chicken Curry and Rice  – the butternut squash adds lots of creamy and just a slight bit of sweetness to that dish, but you mainly taste the yummy ginger and curry. 

Ingredients for Butternut Squash Mac and Cheese

You don’t need a lot of ingredients to make this delicious side dish!

  • Gluten Free Rotini or Penne Pasta –  I tested this with elbow noodles and I felt that the finished texture heavily depended on the brand, but the rotini and penne both came out perfect without regard to brand.  Also, if you are not gluten free, you can sub whole wheat pasta. 
  • Low sodium chicken broth or water – I love the extra flavor that broth gives to mac and cheese, but you can definitely just use water or even veggie broth to keep this dish vegetarian. 
  • Dry mustard – I always use dry mustard in my mac and cheese bc my momma always did. 
  • Garlic powder – you can sub fresh garlic if you don’t have the powder, but this is quick and easy. 
  • Salt – if you use water instead of broth, you might need some extra salt. 
  • Butter – we use vegan butter for this, but you can use whatever butter you have on hand. 
  • Frozen butternut squash (1 10oz frozen bag) – I love the time saver of using frozen butternut squash that is already pre-cubed, but you can certainly use fresh squash if you have some. 
  • Freshly shredded sharp cheddar cheese, packed in tight – bagged cheddar will also work, but for the meltiest cheese, fresh is best. 
  • Pecorino Romano or parmesan cheese – you can swap this out for extra cheddar, but I love the extra zip the Pecorino Romano gives to mac and cheese. 
  • Optional – Gluten free breadcrumbs  (note – you can make these easily by putting a slice of bread in your blender) – as an optional last step, I love to add some breadcrumbs and cheese for a fun, crispy topping.  

close up photo of mac and cheese in a white ramekin

How to Make Butternut Squash Mac and Cheese in the Instant Pot

I love making pasta dishes like Mac and Cheese in the Instant Pot because it’s seriously so quick and easy.  

Step One:  Add pasta and seasonings to your Instant Pot.  Then add in your broth, but don’t stir. 

Overhead photo of raw rotini pasta in the instant pot

Step Two:  Add butter and butternut squash to the pot, again, don’t stir.  Just layer then on top of the pasta. 

overhead photo of rotini pasta with cubed frozen butternut squash ready to be cooked in the instant pot.

Step Three:  Cook for 2 minutes on high pressure, then do a quick release when cook time is finished. 

Cooked pasta in the instant pot being mixed by a wooden spoon.

Step Four:  Stir up the pasta and butternut squash, then add in the cheddar cheese!

Overhead photo of shredded cheese, cooked pasta, and butternut squash ready to be mixed in the instant pot

Step Five:  continue to stir that creamy, cheesy goodness, adding in a splash of broth, if the cheese mixture is too thick. 

Glass baking dish of butternut squash mac and cheese topped with shredded cheese, ready for the oven.

Optional Step Six: Top with gluten free breadcrumb and some extra cheese.  Bake in the oven for ten minutes or until breadcrumbs are crispy!

Close up photo of a serving spoon scooping a portion of mac and cheese out of a baking dish.

What if my Pasta isn’t cooked all the way after the two minutes?

If your pasta doesn’t feel cooked all the way or evenly after cook time, don’t panic!  Stir it all up and then just lay the lid on the pot.  In a couple of minutes, the heat from the pot should finish your pasta!  You can also put it on saute to help this!

What should I serve with this Butternut Squash Mac and Cheese?

Here are some yummy main course ideas to go with this Instant Pot Mac and Cheese! 

How to Make New York Strip Steak

Instant Pot Maple BBQ Chicken (Slow Cooker Option)

Pulled Pork with Maple BBQ Sauce {Crock Pot/Instant Pot}

Grilled Lemon-Herb Pork Chops

Bacon Wrapped Chicken Tenders

21 Day Fix Krispie Baked Chicken

*Also – add some chicken, tuna, or your favorite ground meat for a complete meal!

Close up photo of mac and cheese with black and pink text on a white rectangle. Text says, Instant Pot Butternut Squash Mac and Cheese | Gluten Free | 21 DF | 2B Mindset | Confessions of a Fit Foodie

More Healthy Butternut Squash Recipes: 

Instant Pot Butternut Squash Risotto [Gluten-free | 21 DF | WW]

Lazy Butternut Squash Lasagna {Gluten-free, One Skillet}

Warm Honey Roasted Butternut Squash Salad (21 Day Fix)

Easy Shrimp, Kale, and Butternut Squash Saute {21 Day Fix}

Butternut Squash Soup [Instant Pot/Crock Pot/Stove Top] [21 Day Fix | WW]

Butternut Squash Latkes {21 Day Fix}

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Baked Butternut Squash Mac and Cheese

★★★★★ 5 from 3 reviews
  • Author: Nancylynn
  • Prep Time: 5 minutes
  • Cook Time: 2 minutes
  • Total Time: 7 minutes
  • Yield: 6 servings 1x
  • Category: Side
  • Method: Instant Pot | Oven
  • Cuisine: American
  • Diet: Gluten Free
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Description

This Butternut Squash Mac and Cheese recipe is full of hidden veggie power, but it’s so creamy, cheesy, and delicious, nobody would ever guess it’s good for you!   And the best part – it comes together so fast thanks to the Instant Pot!


Ingredients

Scale

3 cups gluten free rotini or penne pasta 

2 cups of low sodium chicken broth or water (for stovetop, follow pasta package directions)

½ tsp dry mustard 

½ tsp garlic powder

½ –1 tsp salt

3 tsp butter

3 cups frozen butternut squash (1 10oz frozen bag)

2 cups of freshly shredded sharp cheddar cheese, packed in tight 

2T Pecorino Romano or parmesan cheese

optional – ¼ cup gluten free breadcrumbs  (note – you can make these easily by putting a slice of bread in your blender)


Instructions

Instant Pot:

  1. Place noodles in the Instant Pot, then cover with water/broth.  Add in seasonings and butter, then butternut squash.  Do not mix.  
  2. Place lid on the IP and set for 2 minutes. 
  3. Preheat oven to 400 degrees. 
  4.  After cook time, do a quick release. 
  5. Remove lid and stir squash and noodles together, then add in the cheddar cheese and continue to stir until it’s all melted together. 
  6. Place mac and cheese in a greased baking dish and top with 2 T extra shredded cheddar, 2T parmesan reggiano, and ¼ cup of breadcrumbs.  Bake for 10-15 minutes or until breadcrumbs are crispy.  
  7. Enjoy!

Stove top:

  1. Preheat oven to 400 degrees.
  2. Follow directions on pasta package, adding butternut squash cubes to boiling water at the same time as the pasta.  The squash and pasta will cook at the same time.
  3. Drain pasta and squash, reserving a little bit of pasta water in case you need to thin your mac and cheese. Place back in pasta pot.
  4. Stir squash and noodles together, then add in the cheddar cheese and continue to stir until it’s all melted together. 
  5. Place mac and cheese in a greased baking dish and top with 2 T extra shredded cheddar, 2T parmesan reggiano, and ¼ cup of breadcrumbs.  Bake for 10-15 minutes or until breadcrumbs are crispy.  
  6. Enjoy!

 

Equipment

Ninja Foodi

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Instant Pot

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Notes

Makes 6 servings

21 Day Fix:  1 YELLOW, 1/2 GREEN, 1 BLUE (per serving)

WW: Green, Blue & Purple- 9 points (per serving) [Calculated using reduced fat cheddar]


Nutrition

  • Serving Size: 3/4 cup servings

Keywords: butternut squash mac and cheese, instant pot macaroni and cheese, gluten free mac and cheese

Did you make this recipe?

Tag @confessionsofafitfoodie on Instagram and hashtag it #confessionsofafitfoodie

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Filed Under: All Recipes, Cooking Method, Courses, Diet, Dinner, Fall + Thanksgiving, Gluten Free, Hidden Veggies, Ingredient, Kid Friendly, Lunch, Pressure Cooker, Seasonal, Sides, Squash, Vegan + Vegetarian, Winter + Christmas

Reader Interactions

Comments

  1. Meg says

    November 15, 2020 at 12:08 am

    Looks so yummy! The recipe ingredient list is missing the pasta type and amount – can you add that so we can make this delicious looking meal? Thank you for all your wonderful recipes!

    Reply
  2. Stacey says

    November 20, 2020 at 12:49 am

    This was really good! It was easy to make and had great flavor. I’ll definitely be making it again.

    ★★★★★

    Reply
    • Nancylynn says

      November 20, 2020 at 2:06 am

      Yay! You made my night! ❤️

      Reply
  3. Pam says

    January 3, 2021 at 4:30 pm

    How can you make this if you don’t have an Insrant Pot?

    Reply
    • Nancylynn says

      January 5, 2021 at 6:35 pm

      Stay tuned for oven directions, coming soon!

      Reply
      • Marisol says

        January 30, 2021 at 7:42 pm

        Have you shared non instapot recipe? I would love to make this today!

        Reply
        • Nancylynn says

          February 11, 2021 at 7:57 pm

          Stove top directions are now added!

          Reply
  4. Amy says

    January 3, 2021 at 9:13 pm

    I don’t have an instant pot. Can this also be made in a slow cooker or Ninja?

    Reply
    • Nancylynn says

      January 4, 2021 at 5:58 am

      It’s perfect for a Ninja Foodi! Instead of transferring to a baking dish, just add the breadcrumbs and cheese for the top and broil in your Foodi until breadcrumbs are crispy (about 5 minutes). Enjoy!

      Reply
  5. Laura says

    January 21, 2021 at 3:56 pm

    How would you do this with chicken? Would you add the chicken with the pasta or does it have to be cooked before adding it?

    Reply
    • Nancylynn says

      January 21, 2021 at 4:01 pm

      I would dice it up smaller, saute it in the pot first for a few minutes and then add in the remaining ingredients and follow the directions accordingly!

      Reply
  6. Angelique Friedman says

    January 23, 2021 at 10:14 pm

    Sounds amazing! What if I only have fresh butternut squash?

    Reply
    • Nancylynn says

      February 5, 2021 at 9:22 pm

      If you dice it really small, the fresh should work! OR you can precook the squash in the microwave for about 5 minutes (after stabbing all over with a knife or fork) then add to the IP and follow directions from there.

      Reply
  7. Gina says

    January 26, 2021 at 12:49 am

    If I’m not using frozen squash, so I reduce cooking time?

    Reply
    • Nancylynn says

      January 26, 2021 at 12:58 am

      Hi! No – just be sure your squash is diced up very small and keep the time the same!

      Reply
  8. Jessi says

    January 29, 2021 at 1:39 pm

    Sooo good! The first time I tried it, I used gluten free noodles from Aldi. Our pressure cooker isn’t instant pot brand so sometimes it needs a few minutes over the time listed… that turned these noodles into moosh. We still ate it though. The second time I used whole wheat and it came our perfect.

    ★★★★★

    Reply
    • Nancylynn says

      February 4, 2021 at 2:57 am

      Great to know, thank you!!

      Reply
  9. Beth says

    February 2, 2021 at 12:20 am

    Finally decided to pull out my IP and learn to use it. Soooo glad I did….this mac & cheese is amazing! Thank you so much for sharing!

    ★★★★★

    Reply
    • Nancylynn says

      February 4, 2021 at 3:01 am

      So glad you did too! Keep trying new things in that IP!

      Reply
  10. Marisol says

    February 6, 2021 at 4:31 pm

    Is there a stove top recipe, I don’t have an instapot. Thanks

    Reply
    • Nancylynn says

      February 11, 2021 at 7:45 pm

      Stove top directions are now added! 🙂

      Reply
  11. Melissa Allaband says

    February 16, 2021 at 11:02 pm

    Any adjustments required if we use non-gluten-free pasta?

    Reply
    • Nancylynn says

      February 17, 2021 at 4:03 pm

      You should be ok keeping everything the same. But if the pasta is too al dente after cook time, pop the lid back on for a few minutes and let the heat steam the pasta a little bit.

      Reply

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