Make a dough from flour, sugar, oil, mineral water, baking powder and eggs. Spread the dough on a prepared baking sheet.
Bake in a preheated oven at 175 ° C for about 20 minutes. Then let it cool down.
Then first spread the applesauce on the cooled base. Whip the cream, mix with the sour cream and spread over the applesauce. Finally, sprinkle with a mixture of cinnamon and sugar.