Blueberry Cake - cooking recipe

Ingredients

1/2 c. sugar
1/2 c. 4x powdered sugar
8 oz. cream cheese, softened
1 large container Cool Whip
1 can blueberry pie filling
1 Duncan Hines cake mix
1 tsp. butter flavoring

Preparation

Cake:
Cook cake according to directions on box adding 1 teaspoon butter flavoring.