Creamy Butternut Squash Casserole

4.3
(92)

Substitute Grana Padano cheese for Parmesan if desired. You can cube butternut squash a food processor with the pommes frites (french fry) cutter and then just pulse it one or two times with a regular blade.

close up view of Creamy Butternut Squash Casserole in a glass baking dish
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Prep Time:
20 mins
Cook Time:
50 mins
Total Time:
1 hrs 10 mins
Servings:
4
Yield:
4 servings

Ingredients

  • 2 tablespoons olive oil

  • 2 small onions, chopped

  • 1 (2 1/2 pound) butternut squash - peeled, seeded, and cubed

  • 6 cloves garlic, crushed

  • ¼ teaspoon salt

  • 1 tablespoon water, or as needed (Optional)

  • 3 eggs

  • ¾ cup sour cream

  • 1 cup grated Parmesan cheese

  • cup chopped fresh basil

  • ¼ teaspoon ground black pepper

  • ½ (8 ounce) package coarsely shredded mozzarella cheese

Directions

  1. Preheat oven to 425 degrees F (220 degrees C). Grease a 9x13-inch casserole dish.

  2. Heat olive oil in a skillet over medium heat; cook and stir onions in the hot oil until softened, about 10 minutes. Stir in squash and garlic; season with salt. Cook squash mixture, stirring occasionally, until squash is slightly tender, about 10 minutes. Add water if mixture gets too dry. Transfer squash mixture to the prepared casserole dish.

  3. Lightly whisk eggs in a bowl; stir in sour cream, Parmesan cheese, basil, and black pepper. Pour egg mixture over squash mixture; top with mozzarella cheese.

  4. Bake in the preheated oven until squash is tender and mozzarella cheese is bubbling, about 30 minutes.

Nutrition Facts (per serving)

512 Calories
30g Fat
42g Carbs
24g Protein
Nutrition Facts
Servings Per Recipe 4
Calories 512
% Daily Value *
Total Fat 30g 39%
Saturated Fat 14g 71%
Cholesterol 194mg 65%
Sodium 714mg 31%
Total Carbohydrate 42g 15%
Dietary Fiber 7g 23%
Total Sugars 9g
Protein 24g
Vitamin C 65mg 323%
Calcium 670mg 52%
Iron 3mg 18%
Potassium 1241mg 26%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.

(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.

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