1
Heat oven to 350ºF. Lightly grease casserole.
2
Cook spaghetti according to package directions; drain.
3
Meanwhile, in large skillet, sauté onion in butter 2 minutes or until softened. Stir in flour. Add evaporated milk; cook, stirring constantly, until slightly thickened. Stir in turkey with gravy, pimientos, Cheddar cheese and spaghetti.
4
Place mixture in casserole. Sprinkle with Parmesan cheese. Bake 25 to 30 minutes or until heated thoroughly.