The dough: Pour on the table or in the cup 2 cups flour. In the center of the resulting slides make a small indentation, break there and add the egg warm water mixed with milk and salt.
2
Now, pay attention, this is very important! Thoroughly knead dough, add to it 2-3 table spoons of oil and knead well again and leave for 30-40 minutes to relax.
3
Potato stuffing: Peel the potatoes, put in cold water, add salt and boil. Remove the foam, reduce heat and cook at low boil for about 25-35 minutes, until soft. Potatoes mash into a purée adding onions chopped and fried in vegetable oil.
4
Liver stuffing: For the filling of the liver clean, and throw into the salted boiling water and boil about 5-7 minutes. Take it out and leave to cool down. Onions cut large cubes and fry in a quite enough amount of vegetable oil together with shredded carrot. Cooled liver mince adding pepper and chopped fresh herbs (if you like), chopped onions, passaged in oil, mix.
5
Making dumpling: Roll out the dough into a thin layer(if necessary, dust working surface with flour). Cut glass mugs. On each circle put the filling and close well the edges.
6
In a saucepan with plenty of boiling salted water to put dumplings and mix gently so as not to stick to the bottom of the pan. From the moment the dumplings float cook for about 5-7 minutes at a low fire.
7
Ready dumplings take out with a slotted spoon and put on a plate. Optionally submit dumplings with fried onion and pour vegetable oil in which roasted onions. Serve a sour cream as well if you like.