This is a classic and has become a family favorite; you can use any kind (and amount) of cheese you like. It is great to take to covered dish thingies.
Ingredients
2 pound bag frozen shredded hash browns, thawed
1 can cream of chicken soup
1½ cups sour cream
2½ tablespoons onion flakes
2½ cups shredded sharp cheddar cheese
Salt and pepper to taste