Cold butter sprinkled with 4 tbsp brown sugar and crushed with a fork or mix with a blender. In the form of muffins put one full teaspoon of the mixture on top and put walnuts. Sheet puff pastry is put on floured surface and tapering with a rolling pin. Spread 3 tbsp butter and sprinkle with remaining brown and white sugar, add raisins and cinnamon. The sheet is rolled up and cut into cylinders to be slightly higher than the baking. Tsilindarchetata a form with the oil mixture and bake for 20-30 minutes at a temperature of about 200 ° C oven