Make the dough: take the flour, sour cream, one egg and a pinch of salt (I just take the eye, the dough should not stick to your hands) and knead the dough, after we kneaded cover it with a towel and leave for 30 minutes. While the dough is doing the stuffing. Boil potatoes and grate on a fine grater, salt, pepper and all mix well.

Sculpt dumplings, finished dumplings boil in salted water. Meanwhile, stir fry the onion and pierogies with the onions. Served with sour cream!