Blend all but quarter cup of parmesan cheese, quarter cup of the tomato sauce and oregano, basil, and ricotta. Blend ricotta, oregano and basil. Place one third of the meat mixture in an oiled baking dish. Spread with half of the ricotta mixture. Repeat ending with meat.Top with remaining tomato sauce and sprinkle with remaining parmesan cheese. Bake at 180ÂșC or 45-60 minutes or till done.