Boiled dumplings filled with potato, twaróg cheese and fried onion, finished with more onion in butter.
What makes it pierogi ruskie
Potato and twaróg, roughly two to one.
Onion fried in the filling and over the top.
A soft dough of flour and hot water, rolled thin.
Where it comes from
Ruskie doesn't mean Russian. It refers to Red Ruthenia, the historic region around Lviv, now in western Ukraine, where the filling is said to come from.
They're the most-loved of all pierogi in Poland, and the everyday version: potato and white cheese, sharp with onion and pepper.
How it varies
Z kapustą i grzybami
Sauerkraut and mushroom — the Christmas Eve filling.