Banana Cream-Graham Cracker Napoleons

Traditionally, a napoleon consisted of puff pastry and sweetened pastry cream, but now the term is used more widely to refer to something layered, either sweet or savory. Any cookie, wafer, or pastry that is crispy and light works well in a dessert napoleon. It must be strong enough to hold the layers of cream but light enough that you can easily break it with your utensil. The pleasure of eating a napoleon is as much about texture as it is about taste. For this reason it is important not t