Spinach Pasta Bake Recipe!

I found this recipe on a coupon blog, but I can't remember which one! Not only was it absolutely delicious, but it's pretty healthy so I thought I would share. Hope you enjoy it as much as we did!

Spinach Pasta Bake
Ingredients:
8 oz uncooked rigatoni {even healthier if you use whole wheat}
1 T olive oil
1 c chopped onion
1 (10 oz) pack frozen spinach, thawed
3 c cubed, cooked chicken breasts
1 (14 oz) can Italian-style diced tomatoes, drained
1 (8 oz) container Philadelphia chive & onion cream cheese {even healthier if you use fat free or 1/3 fat}
½ t salt, ½ t pepper
1½ c shredded mozzarella cheese

Directions:
Prepare rigatoni according to pkg directions. Spread oil on bottom of 11x17 in baking dish; add onion in a single layer. Bake at 375 for 15 minutes or just until tender. Transfer onion to large bowl, set aside.

Drain chopped spinach well, pressing between paper towels. Stir in rigatoni, spinach, chicken, & next 4 ingredients into onion in bowl. Spoon mixture into dish & sprinkle evenly with shredded mozzarella cheese. Bake covered at 375 for 30 minutes; uncover & bake 15 more minutes or until bubbly!