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Test Kitchen Approved

Grandkids' Favorite Casserole

Time: 1 hour 40 minutes

Yield: 8 servings

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About

It's called this for a reason: Grandkids' Favorite Casserole tends to make kids happy and awaken the inner child in just about anyone. How could it not?! The base is a tender, creamy mixture of sweet summer squash, juicy zucchini, and melty cheese, while on top is a delightful ocean of cheddar cheese crackers swimming in butter. Your tastebuds will cannonball into the flavors of Grandkids' Favorite Casserole; imagine what the grandkids will say! It's going to become their favorite in an instant.

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Ingredients

  • 3 pounds yellow squash, chopped
  • 2 pounds zucchini, chopped
  • 1 medium onion, chopped
  • 2 tablespoons kosher salt
  • 1/2 cup sour cream
  • 1/2 cup mayonnaise
  • 1 large egg
  • 1 (8-ounce) block extra-sharp cheddar cheese, grated
  • 1/2 teaspoon ground black pepper
  • 2 cups cheddar cheese crackers, preferably in fun shapes
  • 2 tablespoons butter, melted

Directions

Step 1 -Preheat the oven to 350 degrees F.

Step 2 -Grease a 9x13-inch baking dish, preferably with butter.

Step 3 -Add the squash, the zucchini, and the onion and add enough hot water to cover them by about 2 inches.

Step 4 -Add the salt to the veggies and stir to dissolve.

Step 5 -Bring the mixture to a boil over medium-high heat.

Step 6 -Boil the vegetable mixture until the squash is very tender when pierced with a fork, about 10 minutes.

Step 7 -Drain the vegetable mixture well and let stand at room temperature until cooled slightly, about 15 minutes.

Step 8 -Stir the sour cream and the mayo together in a large bowl.

Step 9 -Lightly beat the egg and stir it into the mayo mixture.

Step 10 -Gently stir the cheese, the pepper, and the cooked squash mixture into the mayo mixture.

Step 11 -Spoon the mixture into the prepared baking dish.

Step 12 -Bake until bubbly, about 40 minutes.

Step 13 -Combine the crackers and the melted butter, tossing to coat.

Step 14 -Arrange the crackers over the casserole and bake until toasted, about 10 minutes.

Step 15 -Let stand for 5 minutes.

Step 16 -Serve.

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