For the filling, meat, potatoes cut into cubes, finely chop the onion. The pan to warm up vegetable oil, to fry the meat. Reduce the heat. add the onion, stir and fry for 7 minutes. Add the potatoes and pour 100 g of water. Season with salt and pepper and cover with lid. Simmer on low heat for 40 minutes, if necessary add water.

Prepare the dough For this yeast dissolve in warm water with 1 tsp sugar and 1 tbsp flour, stir, leave for 20 minutes in a warm place. Yogurt, salt, egg mix in a large bowl. Then add approached the dough and mix well. Then gradually sift in the flour, then vegetable oil and knead the dough. Cover with a towel and leave in a warm place for 1 hour. Then you need to press down dough and leave for 1 hour. The dough should be doubled. The finished dough divided into 2 parts.

From each part roll out an oval cake. On the bottom of the cake to put an even layer of the filling, cover with top cake

Carefully seal the edges

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Beat the egg yolk with 1 tbsp milk, brush the surface of the pie. Leave for 20 minutes.

Bake in a preheated oven at 190 degrees for 40-50 minutes. If the top of the cake heavily browned, but the cake still baked up to the end, you can cover the top part of foil and continue to bake.