shredded mozzarella cheese
Combine ground beef, one cup spaghetti sauce and remaining ingredients except cheese. Mix well.
Divide meat mixture into thirds; spread one-third in bottom of ungreased 9"x5" loaf pan. Cover with half the cheese.
Repeat layers, ending with meat (don't forget there are 3 layers).
Bake at 350 degrees for 30 minutes. Spread meatloaf with reserved sauce; bake for an additional 30 minutes.