Preheat oven to 350 degrees. Grease and lightly flour 9 X 13 pan. Mix dry cake mix, butter & 1 egg. Press into pan. Then mix cream cheese, powdered sugar and two eggs with electric mixer. Pour over pressed mixture in pan. Bake for 30-35 min until golden brown.
Substitute Devil's Food cake mix and add chocolate or butterscotch chips to cream cheese mixture.
For golden bars, substitute Yellow cake mix.