Pierogi Casserole - cooking recipe

Ingredients

9 lasagna noodles
8 potatoes, cooked and mashed
1/4 c. butter or margarine
1 c. Cheddar cheese
1/2 c. diced onion

Preparation

Cook lasagna noodles as directed.
Cook and mash 8 potatoes. Mix potatoes with 1 cup Cheddar cheese.
Use 9 x 13-inch casserole dish.
Butter bottom of dish.
Place 3 noodles on bottom of pan. Put 1/2 potato mixture on top, then another layer of noodles and rest of potatoes.
Then last layer of noodles.
Melt 1/4 cup margarine and onion on top.
Bake at 350\u00b0 for 20 minutes.