Cook tortellini to desired doneness as directed on package.
Heat oven to 350°F.
Lightly grease 2 quart casserole.
In large bowl, combine cooked tortellini and all remaining ingredients except Parmesan cheese; mix well.
Spoon into greased casserole.
Cover; bake at 350°F. for 40 to 50 minutes or until thoroughly heated, stirring twice during baking.
Remove from oven; uncover.
Sprinkle with Parmesan cheese.
Cover; let stand 2 to 3 minutes or until cheese is melted.