Kraut & Mushroom Pierogi - Alexandra's

Sauerkraut, mushrooms, wheat flour (wheat flour enriched [niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid], malted barley flour), water, onion, eggs, soybean oil, salt, black pepper, carrot, parsnip, celery, parsley leaves, nutmeg, garlic.