And for those baking banana cake, Gontowski has another tip to share ... or filling it with mousse, custard, jam, or whipped cream. And if all else fails, there's always a fun option: Crumble ...

To prep for the icebox cake recipe, mix the Greek yogurt, powdered sweetener, and cocoa powder until it becomes a chocolate mousse-like consistency. Make sure there are no lumps. Mix the banana ...