Step 1

Mix dry cake mix and spices, then use to prepare cake batter as directed on package; pour into 13x9-inch baking dish sprayed with cooking spray.

Step 2

Beat next 5 ingredients with whisk 2 min.; pour over cake batter. Place baking dish in 17x11-1/2x3/4-inch pan.

Step 3

Bake 55 min. to 1 hour or until toothpick inserted in centre comes out clean. Cool slightly. Serve topped with Cool Whip.