1Heat oven to 350ºF. Spray 1 1/2-quart casserole with cooking spray. Cook and drain pasta as directed on package.
2Meanwhile, in 2-quart saucepan, heat tomatoes to boiling. Reduce heat to medium; cook uncovered 6 to 8 minutes, stirring occasionally, until liquid has evaporated.
3In 2-quart saucepan, heat Alfredo sauce over medium-low heat until warm. Stir in cheese until melted. Mix sauce, pasta and tomatoes. Pour into casserole.
4Bake uncovered about 30 minutes or until hot in center.