1 stick butter, softened
4 eggs
2/3 c. milk
1 tsp. vanilla
1 box butter recipe cake mix

Mix all ingredients and mix well. Bake at 350 degrees in 4 layers. Cool.

FILLING:

8 oz. cream cheese, softened
1 1/2 c. sugar
8 oz. Cool Whip

Cream sugar and cheese; add Cool Whip.

TOPPING:

1 can blueberry pie filling

Spread cheese filling on each layer and top with pie filling, ending with pie filling on top. Refrigerate.