?Pierogi fillings, sauerkraut recipe is a dish made of sauerkraut and pierogi. Pierogi are a type of dumpling made of unleavened dough and typically filled with potatoes, cheese, or other ingredients. Sauerkraut is a type of fermented cabbage.

Rinse sauerkraut and drain well. Saute sauerkraut along with the onions in butter, bacon or salt pork for approximately 20 minutes on low heat, in a covered pan, stirring from time to time. Add salt, pepper, sugar (mushrooms if desired). Cool.
* It doesn't say what to do with the shredded cabbage.
Ingredients
Directions
Rinse sauerkraut and drain well. Saute sauerkraut along with the onions in butter, bacon or salt pork for approximately 20 minutes on low heat, in a covered pan, stirring from time to time. Add salt, pepper, sugar (mushrooms if desired). Cool.
* It doesn't say what to do with the shredded cabbage.