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Butternut Squash Mac and Cheese Recipe

This butternut squash mac and cheese is the cozy upgrade your weeknight needs: creamy cheddar sauce blended with sweet roasted squash, tossed with pasta, and baked under a golden breadcrumb topping. It is comfort food with a vegetable hiding in plain sight.

November 6, 2026 1 hr 5 mins
A baking dish of butternut squash mac and cheese with a golden breadcrumb topping and a creamy serving scooped onto a plateMain Course
Prep20 mins
Cook45 mins
Total1 hr 5 mins
Serves6
CourseMain Course
CuisineAmerican
Calories520 kcal

This Butternut Squash Mac and Cheese Recipe is comfort food with a clever twist. Sweet roasted butternut squash blends right into the cheddar sauce, making it silky, golden, and just a little bit sweet, while the pasta stays tender and the breadcrumb topping bakes up crisp. It tastes like classic mac and cheese, only richer, and nobody at the table will guess a vegetable is hiding in the sauce.

For more holiday favourites, try our Crockpot French Onion Chicken, our Roasted Garlic Mashed Potatoes and our Broccoli Cheddar Soup.

What Makes This Butternut Squash Mac and Cheese So Good

The magic is in the sauce. Roasting the squash first brings out its natural sweetness, and blending it with sharp cheddar, milk, and a little mustard makes a sauce that is smooth, golden, and deeply savory. The pasta soaks up the flavor, and the buttery breadcrumb topping adds the crunch that makes every bite complete.

It is also one of the most practical weeknight dinners you can make. The sauce comes together in a blender, the whole dish bakes in one pan, and leftovers reheat beautifully for lunch the next day. For a cook who wants vegetables on the table without a single complaint, that kind of stealth is worth its weight in gold.

The Key Ingredients

A short list of pantry staples is all this classic needs.

The Butternut Squash

Roasted butternut squash gives the sauce its color, sweetness, and silkiness. About three cups of cubed squash, roasted until soft and caramelized at the edges, blends into the smoothest sauce, and frozen cubed squash works too in a pinch.

The Cheddar Cheese

Sharp cheddar is the backbone of the sauce, and grating it yourself makes it melt smoothly without the graininess of pre shredded cheese. A little parmesan stirred in at the end adds a salty, nutty depth.

The Pasta

Short pasta shapes like elbow macaroni, shells, or cavatappi hold the sauce in every curve. Cook it one minute shy of the package time, because it finishes cooking in the oven and stays tender instead of turning mushy.

How to Make Butternut Squash Mac and Cheese

The method is simple: roast, blend, bake, and serve.

  • Roast the squash: toss cubed squash with olive oil and salt, then roast at 400 degrees for 25 minutes until soft.
  • Cook the pasta: boil in salted water until just shy of done, then drain and set aside.
  • Blend the sauce: blend the roasted squash with milk, cheddar, mustard, and nutmeg until silky smooth.
  • Combine and season: toss the pasta with the sauce and season with salt and pepper to taste.
  • Top and bake: spread in a buttered baking dish, top with breadcrumbs and parmesan, and bake 20 minutes until golden.
  • Rest and serve: let stand 5 minutes so the sauce thickens slightly before serving.

Mistakes to Avoid

Skipping the Roast

Raw or boiled squash makes a watery, bland sauce. Roasting concentrates the sweetness and gives the sauce its deep golden color, so do not skip this step.

Overcooking the Pasta

Pasta that is fully cooked before baking turns soft and mushy in the oven. Pull it one minute early, because it finishes cooking in the sauce.

A Grainy Sauce

Pre shredded cheese contains anti caking agents that make sauces grainy. Grate a block of sharp cheddar yourself, and blend the sauce while the squash is still warm so the cheese melts smoothly.

What to Serve with Butternut Squash Mac and Cheese

This is a cozy main course, and it loves simple sides:

  • A crisp green salad, for a fresh contrast
  • Roasted broccoli or green beans, for extra vegetables
  • Garlic bread, for mopping up the sauce
  • Grilled chicken or sausage, for a heartier meal

Make It Your Own

The recipe welcomes tweaks. Stir in crispy bacon or sauteed mushrooms for extra savory depth, or add a pinch of smoked paprika for a gentle smoky note. A spoonful of hot sauce wakes up the richness, and swapping half the cheddar for gruyere makes the sauce even silkier. For a gluten free version, use gluten free pasta and gluten free breadcrumbs.

Make This Butternut Squash Mac and Cheese Today

Creamy, golden, and baked under a crisp topping, this is the weeknight dinner your table has been missing. Roast the squash and bake a pan tonight. Browse more of our Main Course recipes for more cozy dinners.

Recipe card

Butternut Squash Mac and Cheese Recipe

P Pin
Prep
20 mins
Cook
45 mins
Total
1 hr 5 mins
Serves
6
Course
Main Course
Cuisine
American
Calories
520 kcal

Ingredients

0/11 ready · tap to tick off

Equipment

  • Baking sheet
  • blender
  • large pot
  • 9 by 13 inch baking dish

Method

Tap a step when it’s done.

Nutrition

520 kcal

Calories

20 g

Protein

62 g

Carbohydrates

22 g

Fat

5 g

Fiber

480 mg

Sodium

* Values are estimates.

Notes

  • Roast the squash until soft and caramelized for the sweetest sauce.
  • Grate your own cheddar for the smoothest melt.
  • Cook the pasta 1 minute shy of done so it stays tender after baking.
  • Blend the sauce while the squash is warm so the cheese melts smoothly.
  • Let the dish rest 5 minutes so the sauce thickens before serving.
  • Leftovers reheat well with a splash of milk stirred in.

Tips for success

  • Frozen cubed squash works in a pinch; roast it the same way.
  • Add a pinch of smoked paprika for a gentle smoky note.
  • Stir in crispy bacon or sauteed mushrooms for extra depth.
  • Swap half the cheddar for gruyere for an even silkier sauce.
  • Use cavatappi or shells to hold more sauce in every bite.
  • For a lighter version, use low fat milk and half the cheese.

Questions & answers

Can I make butternut squash mac and cheese ahead of time?+
Yes. Assemble the dish up to a day ahead, cover, and refrigerate. Add 10 extra minutes to the bake time if it goes into the oven cold.
Can I use frozen butternut squash?+
Yes, frozen cubed squash works well. Roast it straight from frozen, adding about 5 minutes, until soft and lightly caramelized.
Why is my sauce grainy?+
Pre shredded cheese is usually the cause. Grate a block of cheddar yourself, and blend the sauce while the squash is warm so the cheese melts fully.
Can I freeze butternut squash mac and cheese?+
Yes, freeze the baked dish in portions for up to 2 months. Thaw overnight in the fridge and reheat in the oven with a splash of milk.