You can always find a butternut squash hanging out in my pantry. Many a fall weeknight, I default to my simple (though certainly not ho-hum), cinnamon Roasted Butternut Squash. It’s a good last-minute option for a holiday gathering as well. When it’s time to prepare something Extra Super Special, however, this healthy butternut squash casserole will be a star. It’s easy to prep in advance, making it a busy cook’s BFF. The casserole filling boasts caramelized butternut squash, plus the addition of hearty kale to up its nutritional value and make it more dynamic. Though this recipe is healthier than many sides, the addition of classic holiday standbys like nutmeg and thyme ensure this savory butternut squash casserole recipe feels right at home at a holiday gathering. And since no proper casserole worthy of its name should be without a topping (and since it is the holiday season!), I knocked this one out of the park with a buttery sage Parmesan breadcrumb topping. It makes this casserole truly memorable.
How to Make Butternut Squash Casserole
You’ll feel like a superstar for eating comforting food that’s good for you too. The robust filling is made with nutritious ingredients, and its flavor is alight with holiday flair. The cheesy butternut squash casserole topping is salty, herby, savory, and crunchy. (If you came to this recipe seeking a sweet, creamy butternut squash casserole versus the savory one we have here, definitely try this Healthy Sweet Potato Casserole instead.)
The Ingredients
Butternut Squash. A golden jewel of the winter season. Butternut squash is wonderfully sweet, nutty, and destined to be paired with other fall/winter flavors. Plus, with oodles of fiber and vitamin-A, it’s a healthy addition to any diet.
Rosemary. Fresh rosemary adds hints of earthy notes. Kale. Packed with antioxidants and numerous vitamins, kale is an incredibly nutritious ingredient to sneak into this casserole. For the kale skeptics, sautéing it creates a tender and delicious texture. Breadcrumb Topping. Fresh breadcrumbs (or panko if you are in a hurry), Parmesan, sage, nutmeg, and butter make up our delicious topping. It’s toasty, cheesy, crispy goodness with delightful touches of cozy fall flavor.
The Directions
Storage Tips
To Store. Cover and refrigerate leftover casserole for up to 4 days.To Reheat. Rewarm leftovers in a baking dish in the oven at 350 degrees F.To Freeze. Freeze casserole in an airtight freezer-safe storage container for up to 3 months. Let thaw overnight in the refrigerator before reheating.
Recommended Tools to Make Butternut Squash Casserole
Baking Dish. Perfect for making any of your favorite casseroles. Chef’s Knife. A sturdy, high-quality chef’s knife makes chopping much easier. Large Skillet. Great for sautéing vegetables and so much more.
Up to 1 day in advance, prepare the recipe through Step 6 (don’t bake it). Cover and refrigerate the dish until you’re ready to bake and finish it with the breadcrumb topping.
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