A glass of kefir pour into a saucepan and put on fire. Stir constantly and do not give yogurt to exfoliate. As soon as the yogurt will become warmer room temperature, remove it from heat. Add sugar, quick yeast. And leave the mixture for 10-15 minutes In a large bowl sift flour, add salt. Do not pour all the flour at once. Sift one Cup at a time, then when you knead the dough, will add it as needed. In the well in the flour pour the sunflower oil, egg.

Gradually add yogurt mixture. Knead the dough and put in a warm place for an hour.

While the dough rises prepare the filling. Boiled in their skins potatoes, grate on a coarse grater, sausage cut into strips, cut into half rings onions, fry until Golden state. Mix potatoes, onion, sausage, add the egg, softened butter. Sprinkle with salt and pepper. The stuffing is ready!

Coming up the dough kneaded. The dough was airy, soft and does not stick to hands.

Leave a small bead for decoration (optional). Roll out and spread it on the bottom of the mold with highly raised edges.

Spread the filling, sprinkle with grated cheese. Use remaining dough for decoration. I made these kind of stars, they refreshed the pie!

Put in the oven for 30-35 minutes at a temperature of 200 degrees.