Cook Nudels according to package directions; drain.
Add butter or margarine and toss to coat Nudels.
Stir in Cheddar cheese and milk; turn into buttered 3-quart casserole.
Cover and bake at 350º about 25 minutes, or until cheese is melted.
Stir lightly and sprinkle Parmesan cheese on top.
Garnish with paprika.