Pierogi Casserole - cooking recipe

Ingredients

10-12 Potatoes, Boiled, Mashed with Milk & Butter
3/4 lb. Cheddar Cheese Grated
2 1/2 Sticks Margarine
2 Onions, Diced
1/2 lb. Lasagna Noodles, Cooked & Drained
Salt to Taste

Preparation

Add grated cheese to mashed potatoes and beat with mixer. Saute onions in margarine until soft.
Add 1/3 onion margarine mixture to potatoes and salt to taste.
Generously butter a 13x9 inch pan.
Place a layer of noodles in pan then a layer of potatoes mixture.
Repeat ending with noodles.
Pour remaining onion and butter mixture over casserole.
Cover with foil and bake at 350 degrees until heated through, about 45 minutes.