|Cooked turkey slices||1 Pound (6 Pieces)|
|Sliced onion||2⁄3 Cup (10.67 tbs)|
|Butter/Margarine||1⁄4 Cup (4 tbs) (1/2 Stick)|
|All purpose flour||1⁄4 Cup (4 tbs)|
|Ground white pepper||1⁄4 Teaspoon|
|Poultry seasoning||1⁄2 Teaspoon|
|Dry mustard||1⁄4 Teaspoon|
|Milk||2 Cup (32 tbs)|
|Shredded sharp cheddar cheese||4 Ounce, divided (1 Cup)|
|Chopped pimiento||2 Tablespoon|
|Canned sliced mushrooms||4 Ounce, undrained (1 Can)|
|Spaghetti||7 Ounce, cooked, drained (1 Package)|
Preheat oven to 400 °F.
Cook and stir onion in butter in medium saucepan over medium heat until tender.
Blend in flour and seasonings.
Remove from heat.
Gradually add milk.
Stirring constantly, cook over medium heat until mixture thickens.
Add 2/3 cup cheese and pimiento, stirring until cheese melts.
Add sherry and undrained mushrooms to cheese sauce.
Place layer of spaghetti in 12x8-inch baking dish.
Cover with layer of turkey and layer of sauce.
Repeat the layers.
Sprinkle remaining 1/3 cup cheese over top.
Bake about 25 minutes.