Butternut Squash Casserole

Savory butternut squash casserole is a delightful dish that combines the sweetness of caramelized squash with the earthiness of kale, topped with a cheesy Parmesan crust. This cozy recipe is perfect for holidays, family gatherings, or as a hearty vegetarian main. Whether you’re celebrating Thanksgiving or Christmas, this casserole brings warmth and flavor to your table.

Why You’ll Love This Recipe

• Easy to Make: With simple ingredients and straightforward steps, this casserole comes together quickly.
• Flavor Packed: The combination of roasted butternut squash, garlic, and fresh herbs creates a deliciously rich flavor.
• Healthy Option: Packed with nutrients from squash and kale, this dish is both satisfying and nourishing.
• Versatile Side Dish: Perfect for holiday meals or as a comforting weeknight dinner; it pairs well with many entrees.
• Impressive Presentation: The golden breadcrumb topping makes it an eye-catching addition to any meal.

Tools and Preparation

To prepare your butternut squash casserole efficiently, having the right tools is essential.

Essential Tools and Equipment

• Large deep skillet or Dutch oven
• Casserole dish (9×13-inch)
• Cutting board
• Chef’s knife
• Mixing bowl
• Measuring cups and spoons

Importance of Each Tool

• Large deep skillet or Dutch oven: Ideal for sautéing vegetables evenly and allowing for easy transfer to the casserole dish.
• Casserole dish: A shallow baking dish ensures even cooking and browning of the topping.

Ingredients

Savory butternut squash casserole with cozy caramelized squash, kale and a cheesy Parmesan topping. Perfect for holidays or a vegetarian main!

Ingredients:
– 2 tablespoons extra virgin olive oil (divided)
– 1 large (3 1/2 pound) butternut squash (peeled, seeded, and diced into 3/4-inch cubes, divided (about 9 1/2 cups))
– 2 teaspoons minced fresh thyme (divided (rosemary works as well))
– 2 cloves minced garlic (divided (about 2 tablespoons))
– 1/2 teaspoon kosher salt (divided)
– 1/4 teaspoon ground black pepper (divided)
– 12 ounces kale (tough stems removed and chopped or torn into bite-sized pieces, divided (I used curly kale))
– 1 medium yellow onion (thinly sliced, divided)
– 1 cup low sodium vegetable stock or chicken stock (divided)
– 1 cup fresh breadcrumbs (or 3/4 cup panko breadcrumbs)
– 1/2 cup freshly grated Parmesan cheese
– 1 tablespoon minced fresh sage
– 1/2 teaspoon kosher salt
– 1/4 teaspoon ground nutmeg
– 2 tablespoons melted unsalted butter*

How to Make Butternut Squash Casserole

Step 1: Preheat the Oven

Preheat your oven to 375 degrees F. Generously grease a shallow casserole dish with non-stick cooking spray.

Step 2: Prepare the Filling in Two Batches

1. Heat 1 tablespoon of olive oil in a large skillet over medium heat.
2. Add half of the diced butternut squash along with half of the thyme, garlic, salt, and pepper.
3. Sauté until the squash begins to brown, about 3 minutes.
4. Add half of the kale, onions, and garlic; cook until softened, about 4 minutes.
5. Stir in half of the chicken stock; let it reduce slightly for about one minute.

Step 3: Assemble the First Layer

Transfer this mixture into your prepared casserole dish. Spread it evenly using a spoon.

Step 4: Repeat Steps for Remaining Ingredients

Heat the remaining olive oil in your skillet again. Repeat all previous steps using the rest of the ingredients. Once done, add this layer to your casserole dish.

Step 5: Bake Covered

Cover your casserole dish with aluminum foil and bake for about 30 to 35 minutes until the squash is soft when pierced with a knife.

Step 6: Prepare Topping While Baking

In a small bowl:
1. Combine breadcrumbs, Parmesan cheese, sage, nutmeg, and salt.
2. Pour melted butter over this mixture and stir until combined.

Step 7: Add Topping

After baking covered, remove foil from the casserole. Sprinkle breadcrumb mixture evenly on top.

Step 8: Bake Uncovered

Reduce temperature to 350 degrees F. Return casserole to oven uncovered; bake until bread crumbs are golden brown for about another 20 minutes.

Step 9: Serve Warm

Remove from oven and serve warm as an impressive side dish or vegetarian main course!

How to Serve Butternut Squash Casserole

Butternut squash casserole is a versatile dish that can be enjoyed in many ways. Whether it’s a holiday meal or a cozy family dinner, serving this casserole can elevate the experience.

As a Main Dish

• Pair it with a simple green salad for a light meal.
• Serve alongside roasted vegetables for added flavor and color.

Accompanied by Bread

• Enjoy it with crusty bread to soak up the delicious flavors.
• Offer garlic knots as a tasty side to complement the casserole.

With Protein

• Add grilled chicken on the side for extra protein.
• Serve with baked salmon for a healthy, balanced plate.

For Special Occasions

• Present it as a centerpiece at your Thanksgiving table.
• Use festive platters for Christmas gatherings to enhance presentation.

How to Perfect Butternut Squash Casserole

Perfecting your butternut squash casserole takes some attention to detail. Following these tips will ensure a delicious outcome every time.

• Choose fresh squash: Select firm and heavy butternut squash for the best flavor and texture.
• Cut evenly: Ensure all pieces are roughly the same size so they cook evenly.
• Don’t rush the sautéing: Take your time when cooking the squash and kale; caramelization adds depth of flavor.
• Layer thoughtfully: Distributing ingredients evenly in the baking dish helps achieve consistent cooking.

Best Side Dishes for Butternut Squash Casserole

Butternut squash casserole pairs beautifully with various side dishes. Here are some great options to consider.

1. Garlic Mashed Potatoes: Creamy potatoes infused with garlic make a comforting pairing.
2. Brussels Sprouts: Roasted Brussels sprouts bring crunch and bitterness that complements the casserole’s sweetness.
3. Quinoa Salad: A refreshing quinoa salad adds protein and balances the richness of the casserole.
4. Cornbread: Sweet cornbread provides a delightful contrast to savory flavors.
5. Steamed Green Beans: Bright green beans add color and freshness to your plate.
6. Cranberry Sauce: A tangy cranberry sauce can enhance flavors, especially during holiday meals.

Common Mistakes to Avoid

Cooking can be tricky, especially with a dish as delightful as butternut squash casserole. Here are some common mistakes to steer clear of.

• Skipping the seasoning: Not adding enough salt or herbs can lead to bland flavors. Always taste and adjust your seasonings as you cook.
• Overcooking the squash: When the squash is too soft before baking, it can lose its texture. Cook just until it’s beginning to brown but still firm.
• Ignoring the layering: Proper layering is essential for even cooking. Make sure each ingredient is evenly distributed in the casserole dish for consistent results.
• Not using fresh ingredients: Fresh herbs and vegetables elevate the dish’s flavor. Whenever possible, opt for fresh produce instead of dried or frozen versions.
• Rushing the baking time: Baking at the right temperature is crucial. Don’t skip any steps; let it bake uncovered until perfectly golden for that crispy topping.

Storage & Reheating Instructions

Refrigerator Storage

• Store leftovers in an airtight container.
• Butternut squash casserole can last for up to 4 days in the refrigerator.

Freezing Butternut Squash Casserole

• Freeze unbaked casserole tightly covered with plastic wrap and aluminum foil.
• It can be stored in the freezer for up to 3 months.

Reheating Butternut Squash Casserole

• Oven: Preheat your oven to 350°F (175°C). Cover with foil and reheat for about 25-30 minutes.
• Microwave: Place a portion on a microwave-safe plate and heat on medium power for about 2-3 minutes or until warm.
• Stovetop: Heat in a skillet over medium heat, stirring occasionally until heated through.

Frequently Asked Questions

What makes this Butternut Squash Casserole unique?

This butternut squash casserole stands out due to its blend of caramelized squash, fresh kale, and a cheesy Parmesan topping that creates a comforting flavor profile.

Can I make Butternut Squash Casserole ahead of time?

Yes! You can prepare it a day ahead and store it in the refrigerator unbaked. Just bake it on the day you plan to serve it.

What can I substitute for kale in this recipe?

You can replace kale with spinach or Swiss chard if you prefer. Both will add a nice texture and flavor to your casserole.

Is Butternut Squash Casserole suitable for vegans?

To make this recipe vegan-friendly, substitute cheese with nutritional yeast and use vegan butter instead of regular butter.

Final Thoughts

This savory butternut squash casserole is perfect for any occasion, from holiday gatherings to weeknight dinners. Its rich flavors and cheesy topping make it irresistible! Feel free to customize by adding other vegetables or spices according to your taste preferences.