Braided cake with apples

Prepare puff pastry: flour, sour cream, and egg, salt until the weight begins to lag behind the hands, cover with towel and leave for 15-20 minutes. Roll in seam thickness of 0.5 cm at mid-daub at half rules oils, folded in half, put the remaining butter and fold again. Edges of dough and roll on it thinner, but so that oil is not broken crane. Roll seam chat likely to lie down and put on cold. Chilled dough again unrolls and lay down (and so three times, dough for 10 minutes). In the last roll the dough into a rectangle 1 cm thick 
Apples nattered at large grated, add the sugar, milled crackers, and whipped egg whites. Stuffing mix well and lay out the middle seam roll band in the whole of its length. On both lateral sides we do on the test slanting cuts with a knife to form a strip 4 cm wide strips, lift up and bind to the apples herringbone. Transfer the cake to the pan, oiled butter, oil and egg baked in the oven for 30-35 minutes. The finished cake sprinkled with sugar powder. 

400 g flour 400 g butter, 1 egg, 0.5 cups of sour cream, 1 teaspoon salt. For the Filling: 10 apples, 2 tablespoons. Spoon crackers, 0.5 cup sugar, 2 eggs.