Potato Cheese Casserole - cooking recipe

Ingredients

2 lb. frozen hash browns, thawed
2 c. sour cream
1 onion, chopped
1 can cream of mushroom soup
2 c. grated Cheddar cheese

Preparation

Mix together.
Dot with butter.
Bake at 375\u00b0 for 45 to 60 minutes or until browned on top.