Brown chuck and onion in ... off fat. Add spaghetti sauce; simmer 10 minutes. Break ... Add 1/2 cup American cheese and Parmesan cheese. Stir ... 15 to 20 minutes.
Brown meat and onions. Drain. Add spaghetti sauce and simmer 10 minutes. Add ... and half of American cheese. Stir until melted. Spread ... 20 minutes at 350°F.
Brown chuck and drain off fat. Add spaghetti sauce, simmer 20 minutes. Break ... Add 1 cup American cheese and Parmesan cheese. Stir ... 30 to 35 minutes.