Step 1

Preheat oven to 350 degrees F. Coat a 9- x 13-inch baking dish with cooking spray.

Step 2

In a large bowl, place apple pie filling; break into pieces using a spoon. Add cake mix, eggs, and oil; beat 1 to 2 minutes, or until well blended. Spread batter in baking dish.

Step 3

In a small bowl, combine walnuts, sugar, and cinnamon; sprinkle mixture evenly over batter.

Step 4

Bake 40 to 45 minutes or until golden brown on top. Cool in baking dish at least 15 minutes before serving.