Prepare the yeast pie dough using the sponge method. To do this, heat the milk to a temperature of 35 degrees. Dissolve yeast, add 1 tablespoon. a spoonful of sugar and 1 tablespoon. a spoonful of flour.
Cover and leave in a warm place for 40 minutes for the cap to rise.
Then pour the dough into the rest of the flour.
Add 2 eggs, remaining sugar, soft butter and salt. Knead a soft dough. Cover it with a towel and leave in a warm place for 1-2 hours.
Prepare the filling. Rinse the sorrel, wring it out and leave on a sieve or towel to drain the water.
Then chop the sorrel into small pieces.
Cover the sorrel with potato starch and sugar.
Knead the dough again.
Roll it up with a roller.
Cut into several portions.
Roll out the dough pieces so that they are about the size of a tea saucer.
Place the sorrel filling in the middle of each flatbread.
Pinch the edges.
Lubricate the patties with a beaten egg. Place the patties a short distance apart on a greased and floured baking sheet. Turn on the oven.
Bake sorrel yeast pies in an oven preheated to 190 degrees for 20 minutes. Put the finished pies on a plate and sprinkle lightly with cold water.