Step 1

Preheat oven to 350 degrees F.

Step 2

Cook pasta according to package directions, drain and set aside.

Step 3

In a large mixing bowl, combine pasta, chicken, milk, mozzarella cheese, baby spinach, diced tomatoes, Alfredo sauce and pesto. Mix until well combined.

Step 4

Spread mixture into a 9x13-inch baking pan sprayed with nonstick cooking spray.

Step 5

In a small mixing bowl, combine bread crumbs, Parmesan cheese and olive oil.

Step 6

Sprinkle crumb mixture on top of casserole.

Step 7

Bake for 35-40 minutes, or until crumb topping is golden brown and casserole is heated through.