Neiman Marcus Cake

Ingredients:
1 box cake mix, any flavor
1 stick butter
2 eggs
1 cup chopped nuts
ICING
1 (8-ounce) package cream cheese, softened
1 (16-ounce) box powdered sugar
1 egg

Directions:
Blend cake mix, butter and eggs. Mix in nuts. Then spread batter into a greased and floured 13 x 9 pan. Mix all ingredients for icing together. Then pour icing on top of the cake batter. Bake at 350°F for 45 minutes.