Mix the yellow cake mix with 3 eggs, 8oz butter, and 1 cup milk in a large mixing bowl
Whisk vigorously until thoroughly combined and smooth
Line a 9×9 square cake pan with parchment paper
Pour the cake batter into the pan and set it in the refrigerator while preparing the cream cheese layer
Combine room temperature cream cheese, 1 egg, ¼ cup milk, 1 cup powdered sugar, and 1 tsp vanilla in your stand mixer
Mix until smooth and a little fluffy
Pour the cream cheese layer on top of the cake layer
Preheat oven to 350° F
Bake for 30 minutes
Rest the ugly cake recipe for 10 minutes or more to serve warm
Chill for an hour in the refrigerator to serve cold