Lazy Perogy Casserole

9” x 13” pan
15 lasagna noodles
1 c. shredded cheddar cheese
2 c. mashed potatoes
¼ tsp salt
1/8 tsp pepper
½ c. butter
1c. chopped onions

Cook noodles as per pkg. One layer of noodles.
Mix cheese with potato, salt, onion salt and pepper. Spread over noodles and cover with noodles.
Melt butter and sauté onions until clear and soft.
Pour over noodles. Cover and bake at 350 for 30min. Let stand 10min. before serving.