Oil the form and sprinkle with sugar. Cut the finished cake with a crust, and then cut it into slices 2 cm thick and place them and the bottom wall of the mold. Crush berries with sugar with a fork. You can put in the form of berry mixture and turn slices of cake to get a few layers. Top press down terrine suitable cargo and refrigerate for 48 hours. Serve on the table berry terrine with custard and berry sauce.