Crab And Noodles Au Gratin
["1 lb. lump or backfin crabmeat", "6 Tbsp. butter", "3 Tbsp. flour", "3 c. milk", "salt and pepper", "1/4 tsp. nutmeg", "1/2 c. heavy cream", "1 egg yolk", "1/3 c. sherry (medium sweet)", "3/4 c. fine noodles", "1/2 c. grated Parmesan cheese"]
["Preheat oven to 375\u00b0.", "Pick over crab to remove any shell pieces. Melt 4 tablespoons of butter in a saucepan and add the flour, stirring with a wire whisk.", "When blended, add the milk, stirring rapidly with the whisk.", "Add salt and pepper to taste, nutmeg and cream.", "Bring to a boil and simmer, stirring occasionally, for about 5 minutes.", "Remove the sauce from the heat and add the egg yolk, stirring rapidly with the whisk.", "Add the sherry."]
["lump", "butter", "flour", "milk", "salt", "nutmeg", "heavy cream", "egg yolk", "sherry", "noodles", "Parmesan cheese"]