Preheat oven to 350 degrees
In a medium bowl, mix together yellow cake mix, egg, chopped pecans, and softened butter until well combined
Press the mixture into a greased 9x12 pan
In another bowl, mix powdered sugar, egg, whipped cream cheese, and vanilla extract until fully combined
Pour the second mixture on top of the first layer in the pan
Bake for 35 minutes or until the top is golden brown
Allow the cake to cool before serving
Enjoy!
