1. FILLING: Whisk cocoa, sugar, ... a small cookie sheet with waxed paper. Arrange 3 graham crackers side by side (long sides ... hours or until cake is soft enough to insert ... to a cakelike texture.)
Whisk cocoa, sugar, water, and ... a small cookie sheet with waxed paper. Arrange 3 crackers side by side (long sides ... hours or until cake is soft enough to insert ... sugar or chocolate curls.