Crab Casserole
["1/4 c. butter", "1/4 c. flour", "2 c. milk", "1 tsp. salt", "1/4 tsp. pepper", "1/4 tsp. celery salt", "1 egg yolk, beaten", "2 Tbsp. sherry", "1 c. bread crumbs", "1 lb. crab", "1 tsp. parsley", "1 tsp. buttered crumbs", "paprika", "1/4 c. onion, chopped"]
["Melt", "butter,", "add flour and blend.", "Gradually add milk and seasonings.", "Cook over low heat until thickened.", "Pour hot mixture into egg", "yolk", "and", "beat.\tCook", "mixture", "2", "minutes, remove from heat.", "Add sherry, bread crumbs, crab, parsley and onion; mix gently.", "Pour", "into", "1 1/2-quart casserole and bake for 20 to 25 minutes in 350\u00b0 oven."]
["butter", "flour", "milk", "salt", "pepper", "celery salt", "egg yolk", "sherry", "bread crumbs", "crab", "parsley", "buttered crumbs", "paprika", "onion"]