Make spagetti sauce.Heat oven 350*.In bowl,stir ricotta,1 1/2 cup mozz.,parmesan,eggs,parsley,salt,pepper.Spread bottom of 13x9x2 pan with spagetti sauce.Top with noodles.Top with cheese mix,repeat...Cover,bake 45 mins.remove foil,bake 10-15 mins.till browned.Let stand before serving.Serve topped with sour cream.