2 lb. pkg. frozen hash browns, defrosted
1/2 c. shallots, chopped
1 stick butter
1/2 tsp. pepper and salt
1 can cream of mushroom soup, undiluted
8 oz. grated Cheddar cheese
8 oz. sour cream
Corn flakes

Saute onions in butter. Add potatoes, cheese, mushroom soup and sour cream. Mix well. Put in 3-quart casserole dish. Top with corn flakes, crushed and mixed with melted butter. Bake at 350 degrees for 35 to 40 minutes.