Step 1

Preheat the oven to 400°F. Spray a 9x13-inch baking dish with non-stick cooking spray. Set aside.

Step 2

Evenly season all sides of the chicken breasts with salt and pepper. Place them in a single layer on the bottom of the prepared baking dish.

Step 3

In a small bowl, mix cream cheese, garlic, Italian seasoning, and red pepper flakes (if using) until well combined. Evenly spread the cream cheese mixture over the chicken.

Step 4

Place about ½ cup of spinach on top of each piece of chicken. Then, top each with about ¼ cup mozzarella.

Step 5

Bake for 20-25 minutes, or until the chicken is cooked to an internal temperature of 165°F and the cheese is golden.

Step 6

Garnish with parsley. Serve