Blueberry Cake
["1 box Duncan Hines butter recipe cake mix", "1 large Cool Whip", "8 oz. cream cheese", "1/2 c. sugar", "1/2 box 10x sugar", "1 can blueberry pie filling"]
["Mix cake mix according to package directions.", "Bake in four layers.", "(You can make 2 layers and split.)", "While cake is baking, prepare filling.", "Mix softened cream cheese with sugar, then blend in Cool Whip.", "Spread mixture and pie filling between each layer including top of cake."]
["butter", "cream cheese", "sugar", "sugar", "blueberry pie filling"]