Pierogi Casserole

Directions

1. 1
   Cook noodles according to directions on package.
2. 2
   Cook and drain potatoes.
3. 3
   Mash potatoes, then add cheese and beat well. Saute onions in butter until soft.
4. 4
   Add 1/3 of onion mixture to potato mixture.
5. 5
   Salt and pepper to taste.
6. 6
   Generously butter in a 13 x 9-inch baking pan.
7. 7
   Place a layer of noodles, then a layer of potato mixture.
8. 8
   Repeat, ending with noodles.
9. 9
   Pour remaining butter and onion over all.
10. 10
    Cover with foil.
11. 11
    Bake at 350° for 20 to 25 minutes.