Fluffiest Sausage Piroshki

"I cook fried sausage piroshki on kefir quite often. The recipe for a non yeast dough is very easy and fast, the dough does not require long rising. The filling for such Russian piroshki is also as simple as possible: it is enough only to grind all the ingredients and mix them until homogeneous consistency. Piroshki on kefir are very tasty, fluffy and appetizing. After frying, the dough is crunchy and airy, while the filling remains as juicy as possible."