Step 1

Preheat oven to 350 degrees. Line a 9" x 13" baking pan with aluminum foil. Spray the foil with nonstick cooking spray.

Step 2

Mix cake mix and butter together. Mixture will be crumbly. Gently press in the bottom of the pan.

Step 3

Sprinkle chocolate chips, toffee chips, coconut, and walnuts over the crust.

Step 4

Mix sweetened condensed milk, pumpkin, and pumpkin pie spice together. Pour over the cookie in the pan.

Step 5

Bake for 20-25 minutes. Let cool. Cut into squares. Store leftovers in the refrigerator.