Step 1

Preheat your oven to 375°F (190°C).

Step 2

In a 9×13-inch baking dish, lay the thinly sliced chicken breasts in a single layer.

Step 3

Top the chicken with a layer of fresh baby spinach, followed by a layer of sliced mushrooms.

Step 4

Sprinkle pepper and herb and garlic seasoning evenly over the spinach and mushrooms.

Step 5

Soften the green onion cream cheese by letting it sit at room temperature for a few minutes.

Step 6

In a medium bowl, whisk together the softened cream cheese, olive oil, and chicken broth until smooth and well combined.

Step 7

Pour the cream cheese mixture evenly over the chicken, spinach, and mushrooms in the baking dish.

Step 8

Lay a piece of foil loosely over the top of the dish, ensuring it does not seal completely.

Step 9

Place the dish in the preheated oven and bake for 20 minutes covered.

Step 10

Remove the foil and continue baking uncovered for an additional 20-25 minutes.

Step 11

Sprinkle the shredded mozzarella cheese over the top and bake uncovered for another 10 minutes, or until the cheese is melted and lightly browned.

Step 12

Let the dish cool for about 10 minutes before serving to allow the flavors to set.