Remove the soft edible part of each leaf with a spoon and chop the artichoke´s heart into small pieces. Place in a bowl and mix with parmesan cheese and mayonnaise. Season with salt and pepper.
Pat dry chicken breasts, season with salt and pepper and place in a greased baking dish. Cover chicken with the artichoke mixture.
Bake in preheated oven to 375°F(190°C) for approximately 30 minutes or until chicken is soft and tender.