Easy Cheesy Pizza Casserole

This dish is super easy, quick, simple and delicious!  My family gobbled it up in one sitting!  Super good and I love all the veggies in it.  Filling and healthy!  Enjoy!
-8 oz garden rotini pasta
-1/2 lb extra lean ground beef
-1/2 cup sliced ripe olives
-1 (7 oz/4oz drained) gourmet or sliced mushrooms, drained
-1 (24 oz) jar chunky Italian garden pasta sauce (or any pasta sauce with veggies in it-chunky style)
-1 cup shredded mozzarella cheese
Preheat oven to 350 F.
Cook pasta according to package directions.  Drain.
Meanwhile, brown the beef and drain.
Place beef in 8x8 casserole dish.  Add the drained pasta, olives, mushrooms and sauce.  Stir well.  Bake in preheated oven for 30 minutes.  Sprinkle the cheese all over top and bake for 5 more minutes.  Let it rest for 5 minutes, then scoop onto plates and enjoy!