Step 1

Preheat the oven to 350°F.

Step 2

Spread the lemon pie filling into the bottom of a 9×13-inch baking dish.

Step 3

In a medium mixing bowl, beat the cream cheese, egg, and granulated sugar with an electric mixer until smooth. Drop spoonfuls of the cream cheese mixture over the lemon pie filling.

Step 4

Sprinkle the dry cake mix evenly over the pie filling and cream cheese layer.

Step 5

Slice thin pats of butter and place evenly over the top of the dry cake mix.

Step 6

Bake the dump cake for 40 minutes or until the top is turning golden brown.

Step 7

Remove the cake from the oven and allow to rest for 15 minutes at room temperature before serving.