Pierogi One-Dish

Directions

1. 1
   After mashing potatoes, mix in cheddar cheese.
2. 2
   Saute onion in butter.
3. 3
   In a well-greased casserole dish, place a layer of noodles, potatoes, then onions.
4. 4
   Repeat with second layer, cover and bake at 325° for 25 minutes.
5. 5
   Sour cream may be added when serving.