Marinate the chicken.
Cut the chicken breast into bite-sized cubes.
Pour in the Italian dressing and let it marinate in the refrigerator for at least 30 minutes.
Prepare the bruschetta.
Combine chopped tomatoes, minced garlic, and chopped basil in a bowl and set aside.
Cook the pasta.
Boil the penne until al dente, following package instructions, then drain.
Cook the chicken.
In a skillet over medium heat, add the marinated chicken cubes and cook until they are cooked through.
Season with salt and pepper to taste.
Assemble and finish the dish.
Mix the cooked penne, cooked chicken, alfredo sauce, and mozzarella into the skillet.
Top with parmesan and the bruschetta mixture.