Eggs are divided into white and yolk and egg whites are broken down into foam. Mix the cottage cheese, egg yolks and egg whites, sugar, vanilla, zest and sour cream. Stir well until a homogeneous mixture, add the raisins (optional soaked and stood for an hour in lukewarm water with rum) and again stir the mixture well. Allow to stand for 10-15 minutes to dissolve the sugar. In a baking dish greased with butter spread half peel - place on 3-4 between them put on the melted butter. Ends are tucked up slightly to allow the filling does not leak. Pour the filling over it and rank other sheet in the same way with butter every 3-4. If using puff pastry is divided into two parts, the middle put the filling and after put the top sheet pinched the edges of the lower and upper crust to filling does not leak. Baked in a moderate oven and ready, the cake sprinkled with powdered sugar.