Chicken Penne Pasta

1 1/2 cups uncooked Penne pasta
9 oz fresh spinach
1 lb boneless skinless chicken breasts (cut into bite-size pieces)
1 tsp dried basil
1 jar (14 1/2 oz) spaghetti sauce
1 can (14 1/2 oz) diced tomatoes (drained)
2 oz cream cheese
1 cup shredded Mozzarella cheese
2 Tbsp Parmesan cheese

Heat oven to 375 degrees.  Cook pasta according to package directions.  Add spinach to boiling water for last 1 minute.

Cook and stir chicken and basil in large skillet on medium-high heat for 3 minutes.  Add sauce and tomatoes; bring to a boil.  Simmer for 3 minutes or until chicken is done.  Stir in cream cheese.

Drain pasta mixture; return to pan.  Stir in chicken mixture and 1/2 cup mozzarella.  Spoon into 2-quart baking dish.  Bake for 20 minutes.  Sprinkle with remaining cheeses.  Bake for 3 more minutes.