Preheat the oven to 400 degrees F.
Butterfly the chicken breasts by cutting them in half lengthwise. Make sure the chicken is room temperature and patted dry of any moisture before preparing this dish.
Place the chicken in a greased baking dish and season with salt, pepper, and garlic powder.
In a mixing bowl combine the cream cheese, chopped spinach, cracked black pepper, artichoke hearts, chopped garlic, marinated artichoke hearts, & a pinch of salt.
Spread the cream cheese mixture over the chicken breasts as evenly as you can.
Top with mozzarella cheese.
Bake at 400 degrees F. for 30 minutes in a preheated oven.
ENJOY!