This 3-ingredient apple dump cake is the easiest fall recipe yet

1. Preheat the oven to 350 F. Grease a 9-by-13-inch baking dish.
2. Spread the apple pie filling in an even layer in the baking dish.
Top with the cake mix, sprinkling evenly over the apple layer.
Arrange the sliced butter over the top.
3. Bake for 45-55 minutes, until browned on top.
If you want to be fancy, serve with your favorite ice cream.