Lasagna Pierogi Casserole

Directions

1. 1
   Saute onion in margarine.
2. 2
   Cook lasagna noodles as directed on package.
3. 3
   Pare and cook potatoes, then mash potatoes with cheese until cheese is melted.
4. 4
   Butter 13 x 9-inch casserole.
5. 5
   Layer 3 lasagna noodles, potato mixture and 1/3 onion/margarine mixture. Again layer 3 lasagna noodles, remaining potato mixture and 1/3 onion/ margarine mixture.
6. 6
   End with 3 lasagna noodles, remaining potato mixture and 1/3 onion/margarine mixture.
7. 7
   Seal pan with foil and bake 30 minutes in preheated 350° oven.