Cook and drain 6 lasagna noodles. Divide 1 pound smoked sausage into 6 pieces. Split lengthwise and stuff with 1/2 slice Mozzarella cheese. Wrap each piece in a noodle. Place in baking dish and cover with 1 (16 ounce) jar Italian cooking sauce. Bake at 350 degrees for 30 minutes. Serve with Parmesan cheese.