Brown ground beef; drain. Stir in 1/2 cup spaghetti sauce, onion, flour, parsley and ... 15 minutes. Place cheese quarter on each square; pour ... 2 hours before baking.
Brown ground beef; drain. Stir in 1/2 cup spaghetti sauce, onion, flour, and parsley ... oven. Place grated cheese over squares; pour remaining spaghetti ... and bake as directed.