Ingredients for 10 servings:
1. 2 cups sour cream
2. 3 (10 1/2 ounce) cans cream of mushroom soup
3. 32 ounces frozen hash browns
4. 2 cups cheddar cheese, shredded
5. 1/2 cup melted butter

Directions:
1. Mix everything together, except for 1/2 cup of cheese.
2. Put into a deep 9×13 baking dish, and then sprinkle the rest of the cheese on top.
3. Bake at 350 for 1-1 1/4 hours, making sure that the middle is cooked through.