Being on a low- or no-sugar ... flavor. But the cinnamon comment stands. If you consistently buy Jell-O pudding cups in chocolate, vanilla, and swirl, this is a really fun way to mix things ...
Just make sure that you're using a pudding mix that has sugar in it, as this extra sugar is partly what gives the cake so much flavor. If you use a sugar-free version, or a mix artificial sweetener in ...