Mix first 3 ingredients with ... carefully to separate pierogi in water. Drain and pour ... mash. Add grated cheese and spices. Mix well and ... be substituted as desired.
Cook shells until done. Drain; ... done. Drain. Add cheese and mash; cool. Fry onions ... set aside. Spoon potato and cheese mixture into shells; ... heat for 1/2 hour.
Saute onions in butter. Mix ... mixture, potatoes and cheese. Put one layer of ... pan. Then layer potato mixture. Repeat until there are ... 10 minutes before cutting.
Chop onions and fry in ... and mash. Add cheese. Pour 1/2 butter and ... Layer noodles and potato mixture. Pour remaining 1/2 of ... minutes at 350 degrees.