Shwartz Potatoes - cooking recipe

Ingredients

2 lbs frozen potatoes (1 bag)
500 ml sour cream
1/2 cup graded onion
20 ounces cream of mushroom soup
2 cups graded cheddar cheese
1/2 cup butter

Preparation

Preheat oven to 350 F.
Thaw potatoes.
Mix together potatoes, sour cream, onion, mushroom soup and cheddar cheese.
Place ingredients in 9*13 baking dish.
Melt butter and pour over mixture, mix inches.
Bake for 1 1/2 hours.