Step 1

Preheat the oven to 350 degrees F.

Step 2

To make the topping, mix the flour, oats, brown sugar, pecans, baking powder, baking soda and salt in a medium bowl. Stir while drizzling in the melted butter, then set aside.

Step 3

Pour the apple pie filling into a 9-by-13-inch baking dish. Spoon the topping evenly over the top.

Step 4

Bake until golden and crisp, 40 to 45 minutes.

Step 5

Serve warm, topped with vanilla ice cream or whipped topping.