Pierogi Casserole - cooking recipe

Ingredients

9 lasagna noodles
instant mashed potatoes
1 large onion
1 stick margarine
3 c. shredded Cheddar cheese

Preparation

Cook lasagna noodles.
Make 10-12 serving of instant mashed potatoes.
Dice onion and saute in margarine.
In casserole dish, layer onions with margarine, then 3 lasagna noodles, then half the mashed potatoes, then half the Cheddar.
Repeat layering, ending with noodles. Cover with foil and bake at 350 degrees for 45 minutes.