Velvety Butternut Mac and Cheese

Indulge in the ultimate comfort food with this incredibly creamy and flavorful Butternut Squash Mac and Cheese. This vegetarian delight masterfully blends the sweet, earthy notes of roasted butternut squash with a rich, velvety cheese sauce, all tossed with perfectly cooked pasta. It’s a comforting dish that’s perfect for a cozy fall evening, a hearty family meal, or an impressive side dish that will warm you from the inside out.

A white dish with mac and cheese made with added roasted butternut squash, garnished with fresh herbs.

If you’ve been a fan of store-bought butternut squash mac and cheese, get ready to elevate your culinary experience! This homemade recipe captures that irresistible flavor profile and takes it to a new level, offering a fresh, wholesome, and customizable alternative that you can enjoy year-round. Say goodbye to seasonal waiting and hello to a guaranteed crowd-pleaser that combines the slightly sweet and nutty flavor of butternut squash with gooey, melted cheese and tender pasta. It’s truly the best way to enjoy this beloved classic.

Seeking more delicious and healthy butternut squash recipes? Explore our collection with this Butternut Squash Mushroom Risotto or a refreshing Butternut Squash Salad recipe.

Why You’ll Love This Butternut Squash Mac and Cheese Recipe

This isn’t just another mac and cheese recipe; it’s a celebration of autumn flavors and wholesome ingredients, transformed into a dish that truly nourishes and satisfies. Here’s why this Butternut Squash Mac and Cheese will become a staple in your kitchen:

A Wholesome Twist on a Classic: By incorporating nutrient-rich butternut squash, we’re adding a healthy dose of vitamins, fiber, and natural sweetness, making this dish surprisingly lighter yet still incredibly indulgent. It’s a fantastic way to sneak vegetables into a family-friendly meal.
Irresistible Creaminess: The roasted butternut squash is blended directly into the cheese sauce, creating an unbelievably smooth, velvety texture and a beautiful golden hue. This natural thickening agent enhances the richness without relying solely on heavy cream.
Perfect for Fall: Butternut squash is at its peak in the cooler months, making this recipe a seasonal star. Its inherent sweetness perfectly complements the savory cheese, embodying the cozy spirit of autumn.
Vegetarian Comfort: A hearty and satisfying vegetarian main course that doesn’t compromise on flavor. It’s substantial enough to be a standalone meal, but also versatile as a side dish for various proteins.
Easy to Customize: From choosing your favorite pasta shape to experimenting with different cheese blends and toppings, this recipe offers ample opportunities for personalization.
Crowd-Pleasing Potential: Whether for a weeknight dinner, a holiday gathering, or a potluck, this dish consistently earns rave reviews from both kids and adults. It’s a sophisticated yet approachable comfort food.
Homemade Goodness: Skip the processed ingredients and enjoy the satisfaction of creating a flavorful, wholesome meal from scratch. You control the quality of every ingredient that goes into your dish.

Recipe Overview

Skill Level

Intermediate

Prep Time

20 mins

Cook Time

1 hr

Expert Recipe Tips for Success

Achieving the perfect butternut squash mac and cheese is simple with a few expert tips:

Boil pasta al dente: This is crucial! You want the pasta to have a slight bite because it will continue to cook when baked in the oven. Overcooked pasta will become mushy and lose its texture in the final dish.
Don’t skip roasting the butternut squash: Roasting caramelizes the natural sugars in the squash, intensifying its sweetness and nutty flavor. This depth of flavor is what truly makes this mac and cheese stand out, adding a rich dimension that boiling simply can’t achieve.
Blend the butternut squash thoroughly: For that incredibly smooth and creamy sauce, ensure you blend the roasted butternut squash with the milk or broth until it’s completely lump-free. A high-speed blender will give you the best results, creating a silky texture that melts in your mouth.
Easily peel butternut squash: Butternut squash can be tricky to peel. To make it simpler, microwave the whole squash for 1-2 minutes. Before microwaving, poke a few holes in it with a fork to allow steam to escape. This slight softening makes the skin much easier to remove with a vegetable peeler. For detailed guidance on cutting, refer to our How to Cut Butternut Squash post.
Experiment with cheese blends: While cheddar and Parmesan are classic, don’t hesitate to customize your cheese blend. Gruyère adds a sophisticated nutty and slightly pungent flavor that pairs beautifully with butternut squash. Fontina offers a wonderfully melty texture and mild, buttery taste.
Time-saving shortcut: Look for pre-cubed butternut squash in the produce section of your grocery store, especially during seasonal peaks. This eliminates a significant amount of prep work. You can also use frozen cubed butternut squash; just thaw it completely before roasting to ensure even cooking.
Add textural elements: For an extra layer of deliciousness, consider adding a crispy topping. A simple mixture of panko breadcrumbs toasted in butter, or a generous sprinkle of extra Parmesan cheese before baking, will provide a delightful crunch that contrasts wonderfully with the creamy interior.
Season generously: Butternut squash has a mild flavor, so don’t be shy with your seasoning. Taste the sauce before adding the pasta and adjust salt and pepper as needed. A pinch of nutmeg can also enhance the squash’s natural sweetness and warm spice notes.
Let it rest: After baking, allow the mac and cheese to cool for about 5-10 minutes before serving. This resting period helps the sauce to set and allows the flavors to meld, ensuring a perfect, non-soupy consistency.

★★★★★ 5 from 1 vote

Butternut Squash Mac and Cheese

By: Rena

Servings: 6 servings

Prep: 20 mins

Cook: 1 hr

Total: 1 hr 20 mins

A white dish with mac and cheese made with added roasted butternut squash.

This deliciously cheesy Butternut Squash Mac and Cheese is packed with cozy fall squash and melty cheese, making it a comforting vegetarian meal or side dish to warm up to on cold nights.

Video Tutorial

Ingredients

1.5 pound butternut squash, peeled and cubed (around 4 cups)
Cooking oil spray
Kosher salt and pepper, to taste
10 ounces elbow macaroni, or protein pasta
2 tablespoons olive oil
2-3 garlic cloves, minced
1 1/2 tablespoons flour, gluten-free or all-purpose
2 cups milk of choice
1 cup shredded cheddar cheese, or a mix of cheddar and gruyere
1/4 cup grated parmesan

Instructions

Preheat the oven to 400ºF (200°C) and line a large sheet pan with parchment paper. Evenly spread the cubed butternut squash onto the pan and lightly spray with cooking oil spray. Season generously with Kosher salt and pepper. Bake for 25-30 minutes, or until the squash is beautifully tender and slightly caramelized.
Meanwhile, bring a large pot of salted water to a rolling boil. Add the elbow macaroni and cook according to package directions until al dente. This ensures the pasta holds its shape and texture during baking. Drain the pasta well and set it aside.
To prepare the creamy cheese sauce, heat the olive oil in a small saucepan over medium heat. Add the minced garlic cloves and sauté for about 30 seconds until fragrant. Stir in the flour, cooking for 1 minute to create a roux. Gradually whisk in the milk of choice, adding a little at a time and continuously whisking to prevent lumps. Continue whisking until the sauce is smooth and combined.
Allow the sauce to gently bubble for approximately 5 minutes, stirring occasionally, until it begins to thicken. Stir in the shredded cheddar cheese until fully melted and incorporated. At this stage, the sauce should be thick enough to coat the back of a spoon. Don’t worry if it’s not perfectly smooth yet; the blending step will achieve that.
Carefully transfer the cheese sauce to a blender. Add half of the roasted butternut squash to the blender with the sauce. Blend until the mixture is completely smooth and creamy, ensuring no chunks of squash remain.
To assemble the dish, add the cooked pasta to a large baking dish. Pour the freshly blended butternut squash cheese sauce over the pasta. Add the remaining half of the roasted butternut squash cubes to the dish. Stir everything gently to ensure the pasta is evenly coated and the squash is distributed throughout.
Sprinkle the top with the grated parmesan cheese. Bake for 25 minutes, or until the mac and cheese is hot, bubbly, and the top is beautifully golden brown. Remove from oven and let it rest for 5 minutes before serving to allow the sauce to set.

Notes

Storing leftovers: Any leftover Butternut Squash Mac and Cheese can be stored in an airtight container in the refrigerator for 3-4 days.
Reheating: To restore its creamy texture when reheating, stir in a tablespoon or two of milk per cup of pasta before warming. Reheat gently in the microwave in short increments, covered, until heated through, or on low heat on the stovetop, stirring frequently.

Nutrition Information (Approximate Per Serving)

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Course: Main Course, Side Dish

Cuisine: American

Key Ingredients You’ll Need

ingredients to make mac and cheese with butternut squash.

Crafting this delightful butternut squash macaroni and cheese recipe requires a blend of simple kitchen staples and the star ingredient of the fall season – butternut squash! The full, precise measurements for each component are conveniently listed further down in the comprehensive recipe card. Here’s a closer look at what makes this dish so special:

Butternut squash: This vibrant, naturally sweet winter squash is the heart of our dish. Roasting the cubed butternut squash caramelizes its sugars, enhancing its deep, nutty flavor and creating a base that’s both wholesome and incredibly delicious.
Cooking spray, Kosher salt & pepper: Essential for seasoning the squash and ensuring it roasts to perfection, developing a beautiful crust and tender interior.
Elbow macaroni: This classic noodle shape is ideal for mac and cheese, as its curves and hollow interior perfectly capture and hold all that luscious, cheesy sauce, ensuring every single bite is packed with incredible taste. Other short pasta shapes like cavatappi, shell pasta, or rotini would also work wonderfully.
Olive oil: Used to sauté the aromatic garlic, forming the flavorful foundation for our rich cheese sauce. Avocado oil can be a great alternative if preferred.
Garlic: A few cloves of fresh minced garlic provide an essential savory depth and aromatic warmth that beautifully complements the sweetness of the butternut squash.
Flour: A small amount of flour is used to create a roux with the olive oil, which acts as a fundamental thickening agent for the cheese sauce, giving it its desirable creamy consistency.
Milk: The liquid base for our cheese sauce. You can use any type of milk you have on hand, from whole milk for a richer sauce to 2% milk for a slightly lighter version. Non-dairy milks can also be used for a vegan option, if adjusting the cheese accordingly.
Cheese: We utilize a dynamic duo of shredded cheeses for an amazing depth of flavor. Sharp cheddar cheese brings a classic tangy, robust cheese flavor, while grated Parmesan adds a salty, umami kick and a finer texture that melts seamlessly into the sauce.

Versatile Substitutions for Your Mac and Cheese

One of the beauties of this butternut squash mac and cheese recipe is its adaptability. Feel free to customize it based on your dietary needs, pantry staples, or simply to explore different flavor profiles:

Replace the squash: While butternut squash is delightful, you can easily substitute it with other fall vegetables. Try using fresh pumpkin (such as sugar pumpkin or Hokkaido pumpkin) for a slightly different sweet note, or sweet potato for an equally vibrant and nutritious alternative. Both will provide a similar creamy texture when blended into the sauce.
Pasta alternatives: For an extra boost of protein, opt for protein pasta made from legumes like lentils or chickpeas. If you’re looking to make this entire dish gluten-free, simply use your favorite gluten-free pasta, ensuring it’s cooked al dente according to package instructions to maintain its texture.
Flour options: Our recipe typically uses a gluten-free all-purpose flour to accommodate various dietary preferences. However, traditional all-purpose flour works perfectly well as the thickening agent for the sauce, providing a smooth and consistent roux.
Milk choices: Any milk will work in this recipe, but keep in mind that using whole milk will result in a noticeably richer and more decadent sauce due to its higher fat content. For a lighter touch, skim or 2% milk are excellent choices. For a dairy-free version, unsweetened almond milk or oat milk can be used (ensure your cheese is also dairy-free).
Cheese variations: Don’t limit yourself to just sharp cheddar and Parmesan. For a more gourmet twist, use half sharp cheddar and half Gruyère cheese. Gruyère offers a distinct nutty, earthy flavor and exceptional melting qualities. Other excellent additions include smoked Gouda for a smoky depth, Fontina for extra creaminess, or a blend of your favorite mild and sharp cheeses.

How To Make Butternut Squash Mac and Cheese: A Step-by-Step Guide

Follow this detailed step-by-step process to create a truly irresistible butternut squash mac and cheese. For the full ingredient quantities and a convenient printable recipe, please scroll down to the recipe card located at the bottom of this post.

process shot of roasting the butternut squash and making the cheese sauce.

1️⃣ Prepare and Roast the Butternut Squash

Begin by preheating your oven to 400ºF (200°C) to ensure it’s perfectly hot for roasting. Line a large sheet pan with parchment paper for easy cleanup. Spread your peeled and cubed butternut squash evenly across the prepared pan. Lightly spray the squash with cooking oil spray, then sprinkle generously with salt and pepper. Roast in the preheated oven for 25-30 minutes, or until the squash pieces are fork-tender and have developed a lovely golden-brown caramelization, intensifying their natural sweetness.

2️⃣ Cook the Pasta to Perfection

While the squash is roasting, bring a large pot of heavily salted water to a rolling boil. Add your chosen pasta (such as elbow macaroni) and cook according to the package directions, aiming for an al dente texture. This means the pasta should still have a slight bite to it, as it will continue to cook when baked in the cheese sauce. Once cooked, drain the pasta thoroughly and set it aside.

✏️ Feel free to use any short pasta shape you have available, such as shells, rotini, or cavatappi.

3️⃣ Craft the Velvety Cheese Sauce

In a small saucepan, heat the olive oil over medium heat. Add the minced garlic and sauté for about 30 seconds until fragrant. Stir in the flour, cooking for another minute to create a light roux. Gradually pour in the milk, whisking continuously to ensure there are no lumps and the sauce remains smooth. Allow the sauce to gently bubble and thicken for approximately 5 minutes, stirring occasionally.

Once thickened, stir in the shredded cheddar cheese (and Gruyère, if using) until it’s completely melted and smoothly incorporated into the sauce. At this point, the sauce should be thick enough to cling to the back of a spoon. Don’t worry if it’s not perfectly silky smooth yet; the next step will take care of that! Carefully transfer the entire cheese sauce to a blender. Add half of the roasted butternut squash to the blender. Blend on high speed until the sauce is incredibly smooth and creamy, with no visible squash chunks.

process shot to blending the cheese sauce with butternut squash and adding it over pasta in a dish.

4️⃣ Assemble the Ultimate Mac and Cheese

In a large baking dish, combine the cooked pasta. Pour the rich, blended butternut squash cheese sauce evenly over the pasta. Add the remaining half of the roasted butternut squash cubes to the dish, distributing them throughout. Gently stir everything together, ensuring every piece of pasta is coated in the luxurious sauce and the squash is well integrated.

5️⃣ Bake and Serve for Maximum Comfort

Generously sprinkle the top of the assembled mac and cheese with the grated Parmesan cheese. Transfer the dish to the preheated oven and bake for 25 minutes, or until the mac and cheese is gloriously bubbly around the edges and the cheese topping has turned a beautiful golden brown. Once out of the oven, allow it to cool for about 5-10 minutes. This crucial resting time allows the sauce to thicken slightly and settle, preventing it from being too runny when served, and letting all the flavors meld beautifully.

a white dish with mac and cheese made with cheese and added butternut squash.

Common Questions About Butternut Squash Mac and Cheese

How do you keep mac and cheese creamy when reheating?

The key to preventing mac and cheese from drying out during reheating is to reintroduce moisture. Whether you’re reheating in the microwave or on the stovetop, stir in about 1 tablespoon of milk (or cream or broth) for every 1 cup of mac and cheese before you begin. This will help reconstitute the sauce and bring back its luscious creaminess.

Do I cover the dish before baking?

No, for this recipe, you will not want to cover the pasta dish while it bakes. Leaving it uncovered allows the top layer of cheese and pasta to develop a wonderfully golden brown, slightly crispy crust, which adds a fantastic textural contrast to the creamy interior. Covering it would steam the top, preventing this desirable texture.

What to serve with butternut squash pasta?

This versatile butternut squash mac and cheese can be served as a delightful vegetarian main course or a hearty side dish. For a complete vegetarian meal, pair it with a crisp, fresh green salad, vibrant air fryer broccoli, or wholesome garlic roasted vegetables, along with some crusty bread for dipping. As a side dish, it pairs wonderfully with classic comfort foods like roasted turkey breast, a flavorful homemade meatloaf, or succulent garlic butter chicken. Its rich flavor complements a wide range of proteins.

Storage and Reheating Recommendations

Proper storage and reheating ensure your delicious butternut squash mac and cheese remains just as enjoyable as the first time:

Storing: Any leftovers should be placed in an airtight container and stored in the refrigerator. It will keep well for 3-4 days. For longer storage, you can freeze individual portions in freezer-safe containers for up to 2-3 months. Thaw overnight in the refrigerator before reheating.
Reheating: When reheating, whether from the refrigerator or thawed from frozen, mac and cheese can sometimes lose a bit of its original creaminess. To revitalize it, stir in a splash of milk (about 1-2 tablespoons per serving) to loosen the sauce. Reheat gently in the microwave in small increments, covered, stirring occasionally until thoroughly warmed through. Alternatively, reheat on the stovetop over low heat, stirring frequently, until bubbly and hot.