01 -
Set your oven to 350°F and let it warm up.
02 -
Pour the lemon filling evenly into a 9x13-inch pan.
03 -
Whip the sugar, cream cheese, and egg together until smooth and creamy.
04 -
Spoon small dollops of the cream cheese blend across the lemon filling layer.
05 -
Distribute the dry cake mix equally over everything in the pan.
06 -
Arrange thin slices of butter over the top, making sure to cover it well.
07 -
Stick the pan in the oven and bake for 40 minutes or until the top is golden and crispy.
08 -
Let it cool for 15 minutes so it firms up before serving.