Butternut Squash Casserole, also known as gratin, is a delicious and comforting dish that highlights the natural sweetness of butternut squash. This creamy casserole is topped with a crispy breadcrumb and cheese layer, making it a perfect side dish for fall gatherings or holiday meals.

Ingredients List

For the Casserole

• 2 lbs (900g) butternut squash (peeled, seeded, and cubed)
• 1 medium onion (chopped)
• 2 cloves garlic (minced)
• 1 cup heavy cream (or half-and-half)
• 1 cup shredded Gruyère cheese (or cheddar cheese)
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1/2 teaspoon nutmeg (freshly grated if possible)
• 1/4 teaspoon cayenne pepper (optional for heat)
• 2 tablespoons olive oil or butter

For the Topping

• 1 cup breadcrumbs (panko or regular)
• 1/2 cup grated Parmesan cheese
• 2 tablespoons melted butter
• Fresh herbs (such as thyme or parsley) for garnish (optional)

Timing

Preparing Butternut Squash Casserole takes about 15 minutes for prep and 45 minutes for cooking, totaling approximately 1 hour.

Step-by-Step Instructions

Step 1: Prepare the Butternut Squash

1. Cook the Squash: In a large pot, bring water to a boil. Add the cubed butternut squash and cook for about 10-15 minutes, or until tender. Drain and set aside.
2. Sauté Onions and Garlic: In a skillet, heat olive oil or butter over medium heat. Add the chopped onion and sauté for about 5 minutes until translucent. Stir in the minced garlic and cook for an additional minute.

Step 2: Combine Ingredients

1. Mash the Squash: In a large mixing bowl, combine the cooked butternut squash, sautéed onions and garlic, heavy cream, salt, black pepper, nutmeg, and cayenne pepper (if using). Mash the mixture until smooth but still slightly chunky.

Step 3: Assemble the Casserole

1. Transfer to Baking Dish: Pour the butternut squash mixture into a greased baking dish (about 2-quart size).
2. Add Cheese: Sprinkle the shredded Gruyère cheese evenly over the top of the squash mixture.

Step 4: Prepare the Topping

1. Mix Topping Ingredients: In a small bowl, combine the breadcrumbs, grated Parmesan cheese, and melted butter. Mix until the breadcrumbs are evenly coated.
2. Top the Casserole: Evenly sprinkle the breadcrumb mixture over the cheese layer in the casserole.

Step 5: Bake

1. Bake the Casserole: Preheat the oven to 375°F (190°C). Bake the casserole for about 25-30 minutes, or until the top is golden brown and crispy.

Step 6: Serve

1. Garnish: Remove from the oven and let it cool slightly. Garnish with fresh herbs if desired.
2. Ladle into Portions: Serve warm as a side dish.

Nutritional Information

Here’s a quick glance at the nutritional profile of Butternut Squash Casserole (per serving, assuming 8 servings):

Nutrient	Amount per Serving
Calories	220
Protein	6g
Fat	15g
Carbohydrates	20g
Fiber	3g

Tips for Customization

• Cheese Variations: Feel free to experiment with different types of cheese, such as cheddar, fontina, or mozzarella, for varied flavors.
• Herb Additions: Add fresh herbs like sage or rosemary to enhance the flavor profile.
• Nut Topping: For added crunch, mix in chopped nuts like pecans or walnuts with the breadcrumb topping.

Storing Tips for the Recipe

Butternut Squash Casserole can be stored in an airtight container in the refrigerator for up to 4 days. It can also be frozen for up to 3 months. Reheat gently in the oven or microwave until warmed through.

Conclusion

Butternut Squash Casserole is a delightful and creamy dish that showcases the sweetness of butternut squash, enhanced by a crispy topping. Perfect for holiday meals or any special occasion, this gratin is sure to impress!

FAQs

Can I make the casserole ahead of time?

Yes! You can prepare the casserole up to the baking step, cover it, and store it in the refrigerator for up to 24 hours. Bake it when ready to serve.

Can I use frozen butternut squash?

Yes! You can use frozen butternut squash; just make sure to thaw and drain any excess moisture before mashing.

What can I serve with this casserole?

This casserole pairs well with roasted meats, grilled chicken, or as part of a vegetarian feast!