To boiling water add Cajun seasoning. Boil shrimp till cooked . Will only take 3 or so minutes. Cool shrimp . In a separate bowl combine cream cheese , Worcestershire & horseradish and mix .Then in bottom of serving dish spread out cream cheese mixture . Drizzle with cocktail top with cooked shrimp , green onions ( I use the whites and green ) lemon juice , then top with more cocktail . Toast bread . Serve and enjoy