Potato Casserole - cooking recipe

Ingredients

3 bags (16 oz.) hash brown potatoes
3 cans cream of mushroom soup
1 1/2 large containers sour cream
1 lb. sharp Cheddar or Monterey Jack cheese
green and/or white onions
green pepper (if desired)
salt and pepper
garlic cloves (if desired)

Preparation

Cook for 2 hours, first hour with foil.