Ingredients for - This Can't be Squash Casserole

1. Cooking spray
2. Yellow squash, sliced 4 pounds
3. Butter ¼ cup
4. Chopped onion ½ cup
5. Cream of mushroom soup 1 (10.75 ounce) can
6. Cheddar Cheese 1 cup
7. Seasoned bread crumbs 1 cup
8. Milk ½ (10.75 ounce) can
9. Mayonnaise ½ cup
10. White sugar 1 teaspoon
11. Eggs, beaten 2
12. Salt and ground black pepper to taste 2

How to cook deliciously - This Can't be Squash Casserole

1 . Stage

Preheat oven to 350 degrees F (175 degrees C). Spray a 9x13-inch casserole dish with cooking spray.

2 . Stage

Bring a large pot of salted water to a boil; cook squash in the boiling water until very tender, 10 to 15 minutes. Drain and transfer squash to a large bowl; mash until evenly smooth.

3 . Stage

Heat butter in a skillet over medium heat; cook and stir onion in the melted butter until tender, 5 to 10 minutes. Mix onion, cream of mushroom soup, Cheddar cheese, bread crumbs, milk, mayonnaise, sugar, eggs, salt, and pepper into mashed squash. Spread mixture evenly into the prepared casserole dish.

4 . Stage

Bake in the preheated oven until bubbling and edges are lightly browned, 45 minutes to 1 hour.