2 lb. bag or frozen hash browns
1 tsp. salt
1/4 tsp. pepper
1/2 c. chopped onion
2 cans cream of mushroom soup
1/2 pt. sour cream
2 c. grated Cheddar cheese

Mix all together in a big casserole dish. Put 1/4 cup melted butter on top and bake 1 hour at 350 degrees. Another do ahead.