Blueberry Dream Pie
["1 (8-inch) graham cracker crust", "1 beaten egg yolk", "6 oz. Philadelphia cream cheese", "1/2 c. sugar", "1 (8 oz.) carton Cool Whip"]
["Combine cream cheese, sugar and beat until creamy.", "Add Cool Whip.", "Mix well.", "Brush egg yolk on crust and bake in a 375\u00b0 oven for 5 minutes.", "Cool.", "To cream cheese mixture stir in 3/4 cup blueberry pie filling.", "Dig a well in center of pie and place remaining blueberry filling in well.", "Refrigerate for 2 to 3 hours before serving."]
["graham cracker crust", "egg yolk", "Philadelphia cream cheese", "sugar"]