For small, square casserole dish:

1 pkg frozen hash browns
½ cup sour cream
1 tsp salt
½ cup grated cheddar cheese
¼ tsp pepper
¼ cup milk
1 can cream of chicken soup

For larger, rectangular casserole dish

2 pkg frozen hash browns
1 cup sour cream
2 tsp salt
1 cup grated cheddar cheese
½ tsp pepper
½ cup milk
2 cans cream of chicken soup