4oz.mozzarella cheese sliced or shredded, or 3 oz. Parmesan cheese
Preheat oven to 350°F. Spray an 8 or 9 inch square baking dish with non-stick spray.
Sprinkle both sides of chicken with salt and red pepper. Put in baking dish.
In a small bowl, stir together pizza sauce, pepperonis, bell peppers, mushrooms, and onions. Top chicken breasts evenly with pizza sauce mixture. Sprinkle each with 1 oz. mozzarella cheese or 3/4 oz. Parmesan and cover with foil.
Bake in preheated oven for 25-30 minutes, then remove cover and bake another 5 to 10 minutes, until chicken is done.
Recipe from Living Well Kitchen https://blog.memeinge.com/pizza-chicken/