This mouth watering blackberry cake is a refreshing Summer treat that is quick to make even on a weekday!
Preheat the oven to 350°F.
Mix cake mix, eggs, jello, oil, and water in a large bowl until well blended. Gradually stir in blackberry pie filling. Pour into two well greased 9 inch pie pans. Bake for 30-35 minutes. Allow to cool completely on a wire rack.
Beat softened cream cheese and butter until light and thoroughly combined then add box confectioners sugar, vanilla, and cool whip.
Mix until this is well incorporated. Assemble cakes by frosting bottom layer then add top cake and frost all over.
8 servings