Pierogi Casserole - cooking recipe

Ingredients

10 potatoes
1 medium to large onion, chopped
9 lasagna noodles
1 to 1 1/2 c. shredded Cheddar cheese
2 Tbsp. margarine
3/4 c. dry milk
spray margarine

Preparation

Peel and boil potatoes until they are cooked done enough to mash.
Drain.
Save approximately 1 1/2 cups of the potato water. Mix dry milk with water.
Use this, adding as you mash the potatoes, until they are fluffy.
Mix in cheese.
Cook lasagna noodles; drain.
Saute onion in margarine.
Coat sheet cake pan with spray margarine.
Layer noodles, potatoes and onion.
Repeat layers.
Top with onion.
Bake at 375\u00b0 for 20 minutes.