Preheat the oven to 350 degrees Fahrenheit. Spray a 13 x 9 x 2-inch baking dish with non-stick cooking spray.
Spread 2 (21-ounce) cans apple fruit filling evenly into the bottom of the prepared pan.
In a medium-sized bowl, combine 1 (15.25-ounce) box yellow cake mix, 2 teaspoons cinnamon, and ½ cup chopped pecans. Sprinkle the cake mixture evenly over the apple pie filling.
Place pieces of 1 cup cubed salted butter on top of the cake mixture.
Bake for 50-60 minutes or until golden brown and bubbly.
Video
Notes
Storing & Reheating
Room Temperature: Wrap the pan with plastic wrap or foil and leave the dump cake on the counter for 1-2 days.
Refrigerate: Place the leftover apple dump cake in an airtight container in the fridge for 3-4 days.
Reheat: When ready to warm up, use a microwave or bake in the oven at 350 degrees Fahrenheit until warmed through.