01 -
Preheat oven to 350°F. Spray a 9x13-inch baking dish with non-stick cooking spray and set aside.
02 -
In a medium bowl, combine cake mix, eggnog, melted butter, and eggs. Use a handheld mixer at medium-high speed to blend for 1 to 1½ minutes until fully combined.
03 -
Pour batter evenly into prepared baking dish. Bake 28 to 30 minutes or until a toothpick inserted in the center comes out clean. Let cake cool thoroughly.
04 -
Using the end of a wooden spoon, poke holes in the cooled cake spaced approximately 1 inch apart. Set aside.
05 -
In a medium bowl, whisk together instant pudding mix and cold eggnog with a handheld mixer or whisk until thickened and well incorporated.
06 -
Quickly and evenly spread the pudding mixture over the cake, encouraging it to fill the holes.
07 -
Spread the thawed whipped topping evenly over the pudding layer. Cover and refrigerate for at least 4 hours.
08 -
Sprinkle ground nutmeg over the chilled cake before slicing and serving.