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Easy Creamy & Savory Butternut Squash Casserole with Crunchy Pecan Topping

A close-up, appetizing view of a serving of butternut squash casserole topped with a thick, crumbly pecan streusel topping.
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This simple butternut squash casserole brings comforting fall flavors to your table. It features a creamy, savory squash base seasoned with herbs and topped with a satisfyingly crunchy pecan crust. It is an ideal holiday vegetable casserole side dish.

Ingredients

Scale
  • 3 lbs butternut squash, peeled and cubed
  • 1 tablespoon olive oil
  • 1 small yellow onion, finely chopped
  • 2 cloves garlic, minced
  • 1 teaspoon fresh thyme leaves
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1/2 cup heavy cream
  • 1 large egg, lightly beaten
  • 1/2 cup grated Parmesan cheese
  • 1/4 cup chopped pecans
  • 2 tablespoons melted butter
  • 1 tablespoon brown sugar

Instructions

  1. Preheat your oven to 375 degrees Fahrenheit. Lightly grease a 9×13 inch baking dish.
  2. Toss the cubed butternut squash with olive oil, salt, and pepper on a baking sheet. Roast for 20 to 25 minutes until tender.
  3. While the squash roasts, sauté the onion in a skillet over medium heat until soft, about 5 minutes. Add the garlic and thyme and cook for 1 minute more until fragrant. Remove from heat.
  4. Transfer the roasted squash to a large bowl. Mash the squash until mostly smooth, leaving some texture.
  5. Stir the sautéed onion mixture, heavy cream, egg, and Parmesan cheese into the mashed squash until combined. Taste and adjust salt and pepper if needed.
  6. Spread the squash mixture evenly into your prepared baking dish.
  7. In a small bowl, combine the chopped pecans, melted butter, and brown sugar to create the topping. Sprinkle this mixture evenly over the squash.
  8. Bake for 20 to 25 minutes, or until the casserole is heated through and the topping is golden brown and crisp.
  9. Let the casserole rest for 5 minutes before serving. This is a great make ahead casserole; cover and chill before baking, adding 10 minutes to the bake time.

Notes

  • You can substitute walnuts or breadcrumbs for the pecans in the topping if you prefer a different crunch.
  • For a vegetarian casserole option, skip any savory additions like sausage, which some recipes include.
  • This dish works well as a simple baked squash side or a light main course.

Nutrition

Find it online: https://cookingbycarla.com/butternut-squash-casserole-recipe-easy-savory/