Cook pasta according to package directions; drain ... to crumble. Add mushrooms and next 4 ingredients; cook ... with tomato sauce. Bake, uncovered, at 350°F for ... 5 minutes before serving.
Combine first crushed tomatoes, tomato ... 1 hour. Prepare pasta using olive oil and salt ... and remaining Parmesan. Bake in 275 degrees (slow) oven ... 20 minutes before serving.