Cake:

1 Duncan Hines Butter cake mix
1/2 c. vegetable oil
8 oz. cream cheese
2 eggs
2 c. fresh or frozen blueberries

Mix the first 4 ingredients well, stir in blueberries. Pour into a greased bundt pan and bake one hour at 350°F.

Icing:

1 box powdered sugar
1 stick butter, softened
2 tbsp. lemon juice
milk

Mix all ingredients and spread on cooled blueberry cake. You may have to adjust amount of milk to make icing spreading consistency.