Step 1

Preheat oven to 350 degrees.

Step 2

Spray a 9x13-inch baking pan with cooking spray.

Step 3

Spread pineapple in its juice evenly into the prepared pan.

Step 4

Spoon pie filling over the pineapple.

Step 5

Sprinkle DRY cake mix evenly over the mixture.

Step 6

Slice the chilled butter into very thin squares and place the squares evenly over the dry cake mix.

Step 7

Bake for 35 minutes.

Step 8

Remove cake from oven, sprinkle chopped pecans over top, and return to the oven for 10 minutes (or until golden brown and the nuts are toasted). Serve warm.