Shrimp And Crabmeat Au Gratin
["1/2 stalk celery, finely chopped", "1 medium onion, chopped", "1/4 c. butter", "1/4 c. all-purpose flour", "1 (5.33 oz.) can evaporated milk", "1 egg yolk", "1/2 tsp. salt", "1/8 tsp. black pepper", "1/4 lb. crabmeat", "1/4 lb. shrimp, boiled, peeled and chopped", "3 oz. American cheese", "Italian bread crumbs"]
["Saute celery and onions in butter until wilted.", "Blend in flour, mixing well.", "Gradually add milk, stirring constantly.", "Add egg yolk, salt and black pepper.", "Cook over medium heat for 5 minutes.", "Put crabmeat and shrimp in a mixing bowl; pour the cooked sauce over the crab and shrimp and mix well.", "Transfer half of mixture to lightly-greased 2-quart casserole dish.", "Top with half the cheese; repeat layers.", "Sprinkle top with bread crumbs. Bake at 375\u00b0 for 10 to 15 minutes or until lightly browned. Yield:", "4 to 6 servings."]
["celery", "onion", "butter", "all-purpose", "milk", "egg yolk", "salt", "black pepper", "crabmeat", "shrimp", "American cheese", "Italian bread crumbs"]