Pierogi Lasagna

Directions

1. 1
   Cook noodles; put aside.
2. 2
   Mash potatoes and add cheese to potatoes; beat, using a mixer.
3. 3
   Add sour cream.
4. 4
   Saute onions in margarine until soft.
5. 5
   Add half of onions to potato mixture as well as bacon, salt and pepper.
6. 6
   Place layer of noodles in 9 x 13-inch pan, then a layer of potato mixture.
7. 7
   Repeat, ending with noodles.
8. 8
   Top with remaining onions and margarine.
9. 9
   Cover with foil and bake at 350° until heated through, 1 to 1 1/2 hours.