Preheat oven to 350°F

Coat large nonstick skillet with cooking spray

Place over medium heat until hot.

Add mushrooms, onion, celery, and garlic and saute for 6 minutes or until tender.

Combine milk and next 6 ingredients in a bowl, stir well.

Add mushroom mixture, noodles, and next 3 ingredients. Stir gently

Spoon mixture into shallow 2-quart casserole coated with cooking spray.

Cover and bake for 40 minutes

Combine breadcrumbs, rest of Parmesan cheese and margarine in a small bowl; stir well, and sprinkle over casserole