Preheat your oven broiler.
Season your chicken breasts with italian seasoning.
Heat olive oil in a skillet and add the seasoned chicken breasts.
Cook chicken breasts until browned and cooked all the way through.
Place chicken breasts into a baking dish, adding a spoonful of spaghetti sauce to each piece of chicken and top with a slice of cheese and pizza toppings.
Broil chicken until cheese is melted and bubbling. (You can also bake the chicken for 20 minutes at 350 degrees)