Step 1

Preheat oven to Spray a 10x15-inch pan with cooking spray and set aside.

Step 2

For the Topping: In a large bowl combine flour, sugar, brown sugar, salt, pumpkin pie spice, and whisk to combine. Cut in 2 sticks butter until mixture is crumbly.

Step 3

Prepare cake  mix according to package directions.  Spread cake mix in the prepared pan.  Crumble topping over the batter.

Step 4

Bake 35 minutes, or until a knife inserted in the center comes out clean.

Step 5

Cut and serve warm.