Blueberry Stack Cake
["1 box Duncan Hines Butter Recipe cake mix", "4 eggs", "2/3 c. milk", "1/3 c. peanut oil", "8 oz. cream cheese", "1 large container Cool Whip", "1 1/2 c. sugar", "1 can blueberry pie filling"]
["Mix Duncan Hines Butter Recipe cake mix, eggs, milk and peanut oil together.", "Pour into 3 or 4 layers; cook as directed.", "Cool."]
["Butter", "eggs", "milk", "peanut oil", "cream cheese", "sugar", "blueberry pie filling"]