Preheat the oven to 350°F and spray a 9x13-inch baking dish with nonstick cooking spray.
Spread the pie filling in the bottom of the prepared dish then sprinkle the dry cake mix evenly over. Drizzle the melted butter over the top. Use a butter knife to make a few large swirls to mix some of the ingredients together, but don't over-do it. Sprinkle the pecans over the top then bake for 45 to 55 minutes or until golden brown and set.
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