Chicken Tetrazzini
["10 slices bacon", "1 c. sliced fresh mushrooms", "1/2 c. chopped onion", "1/2 c. flour", "1 tsp. salt", "1/4 tsp. pepper", "1 (13 3/4 oz.) can chicken broth", "2 c. half and half", "3 to 4 tsp. dry sherry", "9 oz. spaghetti, cooked and drained", "3 c. cubed cooked chicken", "3/4 c. grated Parmesan cheese"]
["Preheat oven to 375\u00b0.", "In a large skillet, cook bacon until crisp.", "Drain on paper towels.", "Reserve 1/2 cup drippings in skillet.", "Crumble bacon and set aside.", "Cook mushrooms and onions in drippings over medium-high heat until tender.", "Blend in flour, salt and pepper.", "Add chicken broth and half and half. Stir constantly over medium-high heat until mixture thickens and bubbles.", "Remove from heat.", "Stir in sherry.", "In a 13 x 9-inch baking dish, mix spaghetti, chicken, bacon and 1/2 cup Parmesan cheese.", "Pour cream sauce over spaghetti mixture.", "Sprinkle with remaining Parmesan cheese and paprika.", "Bake 30 minutes or until heated through.", "Garnish with parsley."]
["bacon", "mushrooms", "onion", "flour", "salt", "pepper", "chicken broth", "sherry", "chicken", "Parmesan cheese"]