Preheat oven to 450 degrees F. In a large skillet, brown ground beef; drain. Add spaghetti sauce and tomatoes to the ground beef. Layer one-third of meat mixture into 7x11-inch baking dish. Top with one-half the ravioli and then one-half of the cheese. Repeat layers. Top with remaining meat mixture. Cover with foil and bake for 30 minutes. Uncover and sprinkle with Parmesan cheese. Bake for 5-10 minutes more. |