"This is the only cake my mom ever baked - she was the daughter of a confectioner and taught me nearly everything about making cakes and tarts, but she never baked anything except this cake, because it was my favorite apple cake. She also made it with plums, but you can use any fruit you like. This cake maybe is not what you expect a cake to be - in Germany it is called a baking tray - cake which means that you spread the batter onto a baking tray which makes a flat cake, more like what you would call a "bar", I suppose, with a crisp bottom...."