The chestnut cake is a kind of pizza made with chestnut flour and dried fruit, flavoured with rosemary. The preparation is simple: in a bowl is mixed with a wooden spoon, the chestnut flour, extra virgin olive oil of Sabina, sugar and a pinch of salt. Cold water (or milk) is added to obtain a dough of good consistency which is then poured into a greased pan. Everything is sprinkled with rosemary leaves, raisins and nuts. A little oil is added and everything is baked in a wood oven.