What is the best recipe for making gooey butter cake bars?

To make gooey butter cake bars, you will need a yellow cake mix, butter, cream cheese, powdered sugar, and eggs. Mix the cake mix with melted butter and one egg to form the crust. For the filling, mix cream cheese, powdered sugar, and two eggs until smooth. Pour the filling over the crust and bake at 350F for 35-40 minutes. Let it cool before cutting into bars. Enjoy the gooey and delicious treat!