Name: Butternut Squash Mac and Cheese
Prep time: 15 min
Cook time: 45 min
Total time: 60 min
Yield: 8 servings
Cuisine: American
Ingredients: 0.5 medium butternut squash (peeled, seeded, and chopped); 1 tbsp olive oil; kosher salt and pepper; 0.5 lb elbow macaroni; 2.5 cup milk (divided); 2 tbsp butter; 3 tbsp flour; 0.125 tsp ground nutmeg; 1 tbsp fresh rosemary (chopped); 1 cup aged white cheddar cheese (shredded); 1 cup sharp cheddar cheese (shredded); 0.75 cup whole wheat breadcrumbs

This butternut squash mac and cheese is creamy, savory, and perfect for fall. Roasted squash makes the sauce silky without heavy cream. Get the easy recipe!

Why This Butternut Squash Mac and Cheese Is a Keeper

When Josh roasted the butternut squash and pureed it into the cheese sauce, I knew we had something special. He used aged white cheddar and sharp cheddar, stirred in chopped fresh rosemary, and topped the whole thing with whole wheat breadcrumbs. We served it with a simple green salad, and it was exactly the kind of fall comfort food I’d been craving. The roasted squash makes the sauce incredibly creamy without needing extra cream, and the rosemary adds a savory note that cuts through the richness. It’s a meatless main dish that feels indulgent but is surprisingly easy to pull together on a weeknight.

Why You’ll Love This Butternut Squash Mac and Cheese

The roasted butternut squash blends into the cheese sauce for a creamy, naturally sweet base that pairs perfectly with sharp cheddar.
It’s a one-dish meatless dinner that comes together in under an hour, with minimal hands-on time.
The whole wheat breadcrumb topping adds a crunchy contrast to the silky mac and cheese.

Key Ingredients for This Butternut Squash Mac and Cheese

Butternut squash: Roasting concentrates its natural sweetness and adds depth. Look for a squash that feels heavy for its size with firm, unblemished skin. You’ll use about half a medium squash.
Aged white cheddar and sharp cheddar: The combination gives a complex cheese flavor with good meltability. Buy blocks and shred them yourself for the smoothest sauce.
Whole wheat breadcrumbs: They add a nutty crunch and a slightly healthier twist. Substitute with regular panko if you prefer.

Kitchen Tools for Butternut Squash Mac and Cheese

A large baking sheet for roasting the squash
A blender or immersion blender to puree the cooked squash with milk
A medium saucepan for making the cheese sauce
A 9×13-inch baking dish (or similar) for the final bake

Tips for Making the Best Butternut Squash Mac and Cheese

Roast the squash until it’s tender and lightly browned around the edges, that caramelization deepens the flavor. If you’re short on time, you can steam the squash instead, but roasting gives a richer taste. When blending the squash with milk, make sure it’s completely smooth so there are no stringy bits in the sauce. Taste the sauce before adding all the cheese; the squash adds sweetness, so adjust salt and pepper accordingly. For a thicker sauce, let it simmer an extra minute or two before mixing in the pasta.

Expert Tips for a Creamy, No-Lump Cheese Sauce

The key to a silky sauce is a proper roux: cook the butter and flour together for at least a minute to get rid of the raw flour taste, then whisk in the milk slowly to avoid lumps. Let the sauce simmer until it just starts to thicken before adding the cheese, if you add cheese too early, it can become grainy. Use freshly shredded cheese from a block; pre-shredded cheese has anti-caking agents that prevent smooth melting. Fold in the roasted squash puree right before the cheese so it stays fully incorporated.

Ways to Change Up Butternut Squash Mac and Cheese

You can swap the elbow macaroni for any short pasta like cavatappi or shells. For a meatier version, stir in cooked Italian sausage or crispy bacon bits. To make it dairy-free, use a plant-based milk and cheese shreds that melt well, and replace the butter with olive oil. If you want extra greens, fold in a cup of chopped kale or spinach along with the cheese. For a crunchy topping without breadcrumbs, try crushed panko or even crushed potato chips.

What to Serve with Butternut Squash Mac and Cheese

This mac and cheese is rich enough to stand alone, but it pairs beautifully with a crisp apple and fennel salad or a simple green salad with a tangy vinaigrette. For a heartier meal, serve it alongside roasted Brussels sprouts or sautéed spinach. A sprinkle of extra fresh rosemary or a drizzle of balsamic glaze right before serving adds a nice finishing touch.

How to Store Leftover Butternut Squash Mac and Cheese

Let the mac and cheese cool completely, then transfer it to an airtight container. It will keep in the refrigerator for up to 4 days. The pasta will absorb some sauce as it sits, so when reheating, stir in a splash of milk to restore the creamy texture.

Can You Freeze Butternut Squash Mac and Cheese?

Yes, you can freeze this dish for up to 3 months. Freeze it in a freezer-safe container or baking dish, tightly covered. Thaw it overnight in the fridge before reheating. Note that the breadcrumb topping will soften after freezing, for best results, add fresh breadcrumbs before reheating and broil for a few minutes to crisp it up again.

Best Way to Reheat Butternut Squash Mac and Cheese

The oven works best to revive the texture: preheat to 350°F, place the mac and cheese in an oven-safe dish, add a tablespoon of milk per serving, cover with foil, and bake for 15-20 minutes. Uncover for the last 5 minutes if you want the top to crisp up. You can also reheat individual portions in the microwave on medium power, stirring every 30 seconds, but the sauce may separate slightly.

Butternut Squash Mac and Cheese FAQs

Can I use pre-cut butternut squash to save time?

Yes, pre-cut squash works fine. Just be sure the pieces are roughly the same size so they roast evenly. You’ll need about 3 cups of cubed squash.

What if I don’t have fresh rosemary?

Dried rosemary works in a pinch, use about 1 teaspoon instead of 1 tablespoon fresh. Or swap it for fresh thyme or sage for a different flavor.

Is this recipe gluten-free?

As written, it uses flour and wheat breadcrumbs. To make it gluten-free, use a gluten-free all-purpose flour blend for the roux and gluten-free breadcrumbs or omit the topping.

Can I make this ahead and bake later?

Yes, assemble the mac and cheese completely (including topping) but don’t bake. Cover and refrigerate up to 24 hours. Add 10-15 minutes to the baking time since it starts cold.