Brown meat in a large skillet.
Add sauce to beef and heat through.
Meanwhile, cook noodles. Drain and rinse noodles.
Add egg and Parmesan cheese to noodles and combine well.
Place noodles in the bottom of a greased casserole dish. Top with sauce/meat mixture. Top with mozzarella cheese.
Bake at 350 degrees F for 30 minutes. Broil for a couple minutes to brown the cheese is desired.