Gran's Squash Casserole

Bring a taste of nostalgia to your table with Gran’s Squash Casserole, a comforting Southern-inspired dish that’s a perfect addition to any family gathering or weeknight dinner. Featuring tender yellow squash and sweet onions sautéed in buttery perfection, this casserole combines creamy sour cream, sharp cheddar cheese, and eggs to create a luscious, savory filling. Topped with a golden breadcrumb and Parmesan crust, this recipe delivers irresistible texture and flavor in every bite. Ready in just an hour and easy to prepare, Gran’s Squash Casserole is a crowd-pleaser that highlights the simple joy of fresh, wholesome ingredients. Whether served as a side dish or a standalone meal, this cheesy squash casserole will have everyone coming back for seconds.

Nutriscore Rating: 64/100

Prep Time:20 mins

Cook Time:40 mins

Total Time:60 mins

Servings: 6

Ingredients

• 4 medium yellow squash
• 1 medium onion
• 1 teaspoon salt
• 0.5 teaspoon black pepper
• 2 tablespoons butter
• 1.5 cups sharp cheddar cheese, shredded
• 0.5 cup sour cream
• 2 large eggs
• 1 cup breadcrumbs
• 0.25 cup parmesan cheese, grated
• 1 tablespoon olive oil

Directions

Step 1

Preheat your oven to 375°F (190°C) and grease a 9x9-inch casserole dish.

Step 2

Wash the yellow squash and thinly slice them into rounds. Dice the onion.

Step 3

In a large skillet, melt the butter over medium heat. Add the squash and onion, and sauté for 5-7 minutes until softened. Remove from heat and set aside.

Step 4

In a large mixing bowl, whisk together the eggs, sour cream, salt, and black pepper. Stir in the shredded cheddar cheese.

Step 5

Fold the sautéed squash and onion into the egg and cheese mixture, ensuring the vegetables are evenly coated.

Step 6

Pour the mixture into your prepared casserole dish and spread it out evenly.

Step 7

In a small bowl, combine the breadcrumbs, grated parmesan cheese, and olive oil. Sprinkle this mixture evenly over the top of the casserole.

Step 8

Bake in the preheated oven for 35-40 minutes, or until the topping is golden brown and the casserole is set in the center.

Step 9

Remove from oven and allow to cool for 5 minutes before serving. Enjoy!

Nutrition Facts

Serving size	(1479.4g)

Amount per serving	% Daily Value*
Calories	1874.4

Total Fat 114.6g	0%
Saturated Fat 62.5g	0%
Polyunsaturated Fat 2.0g
Cholesterol 629.5mg	0%
Sodium 5712.1mg	0%
Total Carbohydrate 144.1g	0%
Dietary Fiber 14.2g	0%
Total Sugars 45.7g
Protein 91.7g	0%

Vitamin D 118IU	0%
Calcium 1887.7mg	0%
Iron 12.1mg	0%
Potassium 2357.6mg	0%

*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Source of Calories

Fat: 52.2%

Protein: 18.6%

Carbs: 29.2%