Potato pierogi casserole


12 lasagna noodles cooked and drained
4 to 5 large onions chopped
1/2 lb butter
8 to 9 potatoes cooked and mashed, seasoned with salt and pepper.
2 cups of shredded cheddar cheese

Saute onion in butter. Spread 1/3 of onions/butter in sprayed 9 x 13 pan Place enough noodles to cover bottom of pan. Spread 1/3 potato mixture on top of noodles top with 1/3 cheese mixture then noodles end with noodle layer.

Cover with foil and bake at 325° for 25 minutes.