Instant Pot Butternut Squash Mac & Cheese

Instant Pot Butternut Squash Mac & Cheese Recipe

Last Updated on February 18, 2024 by Shari Mason

A few months ago, I discovered this delightful variation of mac and cheese, featuring butternut squash, easily prepared in an Instant Pot. Macaroni and cheese occupies a unique spot in the pantheon of comforting cuisine.

Melding the creamy richness of Cheese with the subtle sweetness of butternut squash, this Instant Pot Butternut Squash Mac and Cheese recipe offers a wholesome spin without compromising on flavor. 

Quick Instant Pot Butternut Squash Mac & Cheese Recipe

One-Pot Butternut Squash Mac & Cheese on a Bowl


  • 2 cups elbow macaroni
  • 2 cups butternut squash, peeled and diced
  • 1 cup milk
  • 1 1/2 cups shredded cheddar cheese
  • 1/2 cup grated Parmesan cheese
  • 1/2 teaspoon garlic powder
  • Salt and pepper to taste


  1. Place the diced butternut squash and macaroni in the Instant Pot.
  2. Pour in the milk and add a pinch of salt and pepper.
  3. Close the Instant Pot lid and set it to Manual mode for 4 minutes at high pressure.
  4. After cooking, perform a quick pressure release.
  5. Open the lid and add the shredded cheddar cheese, grated Parmesan cheese, and garlic powder.
  6. Stir the mixture until the cheeses are melted and the butternut squash is well blended, creating a creamy sauce.
  7. Adjust the seasoning with more salt and pepper if needed.
  8. Serve your delicious Butternut Squash Mac & Cheese hot and enjoy!


Why Add Butternut Squash To Mac & Cheese?

Adding butternut squash to mac & cheese [1] is a culinary stroke of genius.

The rich and velvety texture of butternut squash effortlessly melds with the creamy consistency of the dish, offering an enhanced depth of flavor. 

“Vegetarians are doomed in the Chilean street-food scene, though if they are willing to ingest small quantities of lard, they can enjoy the ever-popular squash, salt and lard biscuits known as sopaipillas.”

– Jonathan Franklin, American Book Author

Beyond its taste appeal, the squash infuses the classic comfort food with a nutritional boost, packed with vitamins, minerals, and fiber. 

It’s a delightful way to sneak in an extra serving of veggies, transforming the traditional mac & Cheese into a healthier yet equally indulgent dish.

How Does The Instant Pot Make The Process Easier?

The Instant Pot revolutionizes the cooking of Butternut Squash Mac and cheese by consolidating multiple steps into one device, saving time and effort. 

Traditionally, boiling pasta, roasting the squash, and preparing the cheese sauce require separate pots and pans. However, with the Instant Pot, you can sauté, pressure cook, and simmer in one vessel. 

The high-pressure environment also ensures the butternut squash becomes tender in a fraction of the usual time, resulting in a quicker, more efficient, and less messy preparation process.

What Cheeses Work Best For This Recipe?

When crafting the perfect Butternut Squash [2] Mac and cheese in an Instant Pot, the choice of Cheese can significantly influence the dish’s overall flavor and texture. 

Sharp cheddar offers a tangy richness, while Gruyère brings a smooth, creamy consistency. Fontina, known for its exceptional meltability, lends a delicate, mild flavor. 

Consider adding a sprinkle of Parmesan or Asiago for a touch of zest. The blend of these cheeses complements the natural sweetness of butternut squash, creating a harmonious and utterly delectable dish.

Can I Make It Ahead Of Time For Gatherings?

Top View of One-Pot Butternut Squash Mac & Cheese

Absolutely! Instant Pot Butternut Squash Mac & Cheese is ideal for pre-event preparations. Once cooked, transfer it into a baking dish, letting it cool before covering and refrigerating. 

“In the dance of comfort and nutrition, Instant Pot Butternut Squash Mac & Cheese leads with flavorful steps, twirling tradition and innovation into every bite.”

– Eat Pallet Restaurant & Food Advice

When it’s time to serve, sprinkle a bit of extra Cheese on top and bake until it’s hot and bubbly.

The melding of flavors during refrigeration can enhance its taste, making it a hit at gatherings. It’s a delightful way to serve a warm, comforting dish without last-minute cooking stress.

How Can I Customize This Dish Further?

  1. Herbs and Spices: Add fresh herbs like rosemary, thyme, or sage for a fragrant twist. For a kick, a dash of cayenne pepper or red pepper flakes can elevate the dish.
  2. Proteins: Mix in cooked bacon bits, grilled chicken pieces, or even sautéed shrimp to make it heartier.
  3. Vegetables: Incorporate sautéed mushrooms, roasted red peppers, or steamed broccoli to increase the dish’s veggie content.
  4. Nuts: Top the dish with toasted breadcrumbs or crushed pecans for a crunchy texture and added flavor.
  5. Different Pasta Shapes: Switch the traditional macaroni for fusilli, penne, or bow-tie pasta to make it visually appealing.
  6. Cheese Varieties: While the classic cheddar is a favorite, consider mixing it with smoked gouda, gruyère, or fontina for a richer taste.
  7. Toppings: Finish the dish with fresh herbs, bread crumbs, or a drizzle of truffle oil for a gourmet touch.


u003cstrongu003eHow can I ensure the butternut squash cooks evenly in the Instant Pot? u003c/strongu003e

Ensure the butternut squash is uniformly diced or cut to ensure even cooking. Larger pieces may require a slightly longer cooking time, while smaller pieces might become too soft. u003cbru003eu003cbru003eTo make the process smoother, steam the squash briefly before adding it to the Instant Pot with the other ingredients.

u003cstrongu003eCan I use frozen butternut squash instead of fresh? u003c/strongu003e

Yes, frozen butternut squash can be a time-saver! If you opt for frozen squash, ensure it’s thawed before using it, or adjust the cooking time slightly to account for the frozen state. u003cbru003eu003cbru003eDo note that frozen squash might release more water, which could affect the consistency of your sauce. Adjust liquids accordingly.

Final Thoughts

The Instant Pot Butternut Squash Mac & Cheese is a delightful fusion of health and indulgence. 

By integrating the natural sweetness and creamy texture of butternut squash, this dish elevates the classic mac and cheese to a more nutritious level. The Instant Pot’s efficiency and ease make this gastronomic journey swift and straightforward. 

Whether you’re looking to introduce more veggies to your meals or simply seeking a fresh twist on a beloved classic, this dish is an irresistible choice that caters to both the heart and the palate.


Shari Mason

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