In a bowl, using a spoon stir cornflakes with chocolate - becomes as solid streaky dough. The resulting mixture is spread on a tray not ideal right bottom, shaped pastry with a thickness of about 2-3 cm. On it carefully and a little spills cream so that it is whole cake may places to make holes with toothpicks to absorb better the bottom. Mix dry cream and it is covered cake, sprinkle crushed walnuts and granola. Pastry stand in a refrigerator for several hours. If the side of the tray to collect cream, it will be asked of cake From personal experience I know that the more you stay, the better it.