Hi, does anyone have recipes for smash cake? (No sugar please) Thank you!

How about an eggless banana cake "sweetened" by applesauce, nutmeg and cinnamon? For the frosting, it's cream cheese "sweetened" by apple juice. Here's a yummy recipe I found online: http://www.ourhavenhill.com/2012/06/05/recipe-healthy-smash-cake-for-babys-1st-birthday/