Pierogi Casserole - cooking recipe

Ingredients

10 to 12 potatoes, peeled, boiled and mashed
3/4 c. shredded Cheddar cheese
1 c. chopped onion
1 pkg. lasagna noodles, cooked
1 to 2 sticks margarine or butter

Preparation

Cook noodles according to package directions.
Saute onions in margarine until soft.
Mash potatoes.
Add cheese and beat with mixer.
Add 1/3 of onions to potato mix.
Add salt and pepper to taste.