1. Mix flour frozen butter 1 teaspoon salt with a blender or manually. Add one egg and knead the dough. If it still falls apart, add a little cream. Form the dough ball, wrap it in plastic wrap and place in the freezer for 20 minutes.
2. Meanwhile, prepare the filling. Cheese rub on a coarse grater, ham cut into cubes. 20 g sour cream, mix with three eggs and whisk. Add to this mixture ham and cheese, salt.
3. The dough is taken out of the freezer, and rolled in a layer on a floured surface. We spread it in shape, do bumpers and put on top of the baking paper and beans to the dough has risen. We send in a preheated 180 degree oven for 15 minutes. Then took shape and spread the filling on the dough and then send it in the oven for 20 minutes until browning. Serve hot or cold.