Easy Pasta Bake

So I've been meaning to put this recipe on for some time now and I figure if I don't do it now then I probably won't get around to putting it on. This is super easy and really yummy!

Easy Pasta Bake:
1lb ground beef
1 30 oz jar spaghetti sauce
1/2 cup grated parmesan cheese
5 cups cooked pasta or macaroni
2 cups (8oz) shredded mozzarella cheese

Brown ground beef, drain. Stir in spaghetti sauce and parmesan cheese. Add cooked pasta or macaroni. Spoon into a 9x13 baking dish. Top with shredded mozzarella cheese. Bake at 375 for 20 mintues.