Beat eggs with a mixer on highest speed with the water, sugar and salt for 7 minutes. Flour mixed with starch and baking powder. Gradually, without stopping whisking, combine with the yolk mass. A baking sheet covered with parchment paper, put on it the dough and flatten. Bake in pre-heated oven at 220 degrees for 12 minutes. The finished cake let cool 5 minutes, then overturn on powdered sugar towel. Remove the paper and allow to cool. The cooled sponge cake cut into equal strips. To prepare the cream. BlackBerry to sort, wash, dry with a towel. Put in small saucepan with sugar and gently heat. Gelatin to completely dissolve in the blackberries and allow to cool. Then gradually add the cheese. Whip the cream and gently combine with cottage cheese cream. Spread the cream on strips of sponge cake. 1 strip rolled into a roll, then wrap it around the others. Press. Decorate with the remaining curd cream and sprinkle with grated chocolate. Put the cake overnight in the refrigerator. I was doing wide stripes because of the rush. If you make 5 strips of width 5 cm, then the cake will be polosatoe and interesting. And cream put more into strips and garnish with whipped cream. You can make a dessert. For this cream cheese add the cubed sponge cake and grated chocolate.

Then sort kremanku or glasses. And sprinkle the top with grated chocolate. Put on 2-3 hours in the cold.