Preparation / Directions:
1. Heat oven to 350 degrees. Cook and drain spaghetti as directed on package.
2. Melt margarine in 2-quart saucepan over low heat. Stir in flour, salt and pepper. Cook, stirring constantly, until mixture is smooth and bubbly; remove from heat.
3. Stir in broth and whipping cream. Heat to boiling, stirring constantly. Boil and stir 1 minute. Stir in sherry, spaghetti, chicken and mushrooms.
4. Pour into ungreased 2-quart casserole. Sprinkle with cheese. Bake uncovered about 30 minutes or until bubbly in center.