Preheat oven to 400 degrees.
Spray a glass baking dish with cooking spray.
If you have large chicken breasts you can cut them in half lengthwise or pound them out thin. For the busy parent, I skip this step and buy thin cut chicken breasts from the store. It saves me a bit of time.
Season chicken with salt and pepper and place in the baking dish.
Cover each breast with pizza sauce. Messipe Tip: Don't worry if you spill any of the sauce, after you put the dish in the oven take a sponge with a few drops of Palmolive Ultra Strength and the mess comes right up. My daughter loves to help with this!
Bake for about 10 minutes (cut this down to 5 minutes if you have the thin cut breasts).
Remove from oven and cover each breast with about 1/4 cup of cheese and add your toppings.
Bake for an additional 15-20 minutes until the cheese is melted and the internal temperature reaches 165 degrees.
Top with parsley, parmesan cheese, and red pepper flakes if desired.
Messipe Tip: For the baked, crusty leftover mess be sure to soak your dish in a sink full of hot water and some Palmolive! After a few minutes, the mess will come right off!
Enjoy!