The best recipe you’ve never heard of is: Invisible Apple Cake! Or, in French, “gâteau invisible.” “The charm of this dessert lies in the extreme thinness of the apples,” Chris Kimball writes, which are barely held together almost dissolve into the custard binding, hence the word “invisible.” The slice, he writes, “looks like a cross-section of Precambrian strata.” More bluntly, it’s a dense slab of ultra-thin apple slices, which is simply a charming concept. You can get the recipe for Invisible