1 (#2) bag hash browns
1/2 c. melted butter
1 tsp. salt
Pepper to taste
1/2 c. onion
1 can cream of mushroom soup
1 (12 oz.) sour cream
3 c. grated cheddar cheese (2 c. mixed in, 1 c. on top)

Mix all together and pour into 9x13 pan. Bake at 350 degrees for 1 hour.