Meatball Sub Casserole

Directions

1. In a small bowl, combine the onion, bread crumbs and Parmesan cheese. Add beef and mix well. Shape into 1-in. balls; place on a rack in a shallow baking pan. Bake at 400° for 8-10 minutes or until no longer pink; drain.
2. Meanwhile, arrange bread in a single layer in an ungreased shallow 1-quart baking dish. Combine the cream cheese, mayonnaise, Italian seasoning and pepper; spread over bread. Sprinkle with 1/3 cup mozzarella cheese.
3. In a bowl, combine the spaghetti sauce, water and garlic; add meatballs. Pour over bread. Sprinkle with remaining mozzarella. Bake, uncovered, at 350° for 25-30 minutes or until heated through.