Drop frozen lobster into boiling salted water. When water reboils, boil 2 minutes, then drain & drench with cold water. With scissors, remove underside membrane & pull out meat in one piece; cut into 1/2" crosswise slices. Saute celery in butter until soft: stir in flour. Gradually stir in 1/2 & 1/2, sherry, mayonnaise & bitters; cook over low heat, stirring constantly until thick. Stir in lobster: add salt & pepper. Reheat only until bubbly. Trim crusts from bread, butter & toast until brown. Spoon Newburg over toast. File ftp://ftp.idiscover.co.uk/pub/food/mealmaster/recipes/mmkah001.zip