Creating 3-Ingredient Apple Pie Dump Cake is an easy process that anyone can follow. Simply adhere to the steps below:

1. Preheat Oven: Preheat your oven to 350°F (175°C).
2. Prepare Baking Dish: Grease a 9×13-inch baking dish with cooking spray or butter.
3. Spread Apple Pie Filling: Evenly spread the apple pie filling in the bottom of the greased baking dish.
4. Add Cake Mix: Sprinkle the yellow cake mix evenly over the apple pie filling. Do not mix; just let it rest on top.
5. Pour Butter: Drizzle the melted butter evenly over the entire cake mix layer.
6. Bake: Place the baking dish in your preheated oven and bake for 35-40 minutes or until the top looks golden brown and crisp.
7. Cool: Once baked, remove from the oven and let it cool for about 10 minutes, allowing the flavors to meld together.
8. Serve Warm: Scoop out portions while warm and enjoy!

These straightforward steps will guide you through making this delightful dessert without any hassle. The result is a warm, comforting cake that is sure to evoke memories of a classic apple pie.