yellow cake mix, any type
(1-oz.) fat-free, sugar-free, instant pudding
whipped topping, fat-free
1Preheat oven according to package directions for cake mix.
2Use cooking spray to grease a 9" x 13" cake pan.
3In a large bowl, combine cake mix and Diet Coke; mix until smooth.
4Pour into prepared pan and bake according to directions on box.
5When cake is cool, cut into 1-inch cubes (cake will crumble).
6Prepare pudding mix with milk as directed on package.
7In a large glass bowl, layer a third of the cake cubes, a third of the pudding, and then a third of the whipped topping.
8Repeat twice, using all ingredients.
9Refrigerate for at least 1 hour and serve chilled.