Ingredients.

For the dough, melt the butter and cool it. Sift the flour. Mix egg yolk with sour cream and yogurt and add the melted butter. To extinguish soda in a tablespoon of boiling water and add to the mixture. Pour the mixture the flour and knead soft dough. Wrap the dough in clingfilm and leave to rest while preparing the filling.

Cut the meat from the lamb ribs and cook the broth from the remaining bones (with additions of carrots, onions, Bay leaf, pepper, salt and herbs). Lamb chop very finely. Onions cut into small cubes, add salt and mash with hands. The potatoes and the butter cut into small cubes.

Mix all the ingredients of the filling, including minced beef, add spices and thoroughly stir. Preheat the oven to 190 C. the Bottom and sides of a split form with a diameter of about 27 cm of grease.

Divide the dough into two unequal pieces. Roll out a big part so it covers the bottom and sides of the form. Put into a form and fill with stuffing.

Roll out second piece of dough, cover them with the filling, connect the edges of the dough and to take. Whip the remainder of the protein and grease the top of the pie. In the center to make a hole that the steam from the filling were free to go. Bake for 45-50 minutes until Golden brown. You open the form, remove the ring, put the pie on a rack and cover with a kitchen towel. To give "rest" for 10 minutes. Serve hot with the broth.