1 (2 lb.) frozen hash browns
1 onion, chopped
1 stick butter
1 c. shredded Cheddar cheese
1 (10 1/2 oz.) cream of mushroom soup (do not dilute)
1 (8 oz.) carton sour cream
Corn flakes to top

Melt butter in saucepan and cook onion for 5 minutes. Add all ingredients and place in Pyrex dish. Sprinkle top with crushed corn flakes. Mixture will be stiff. Bake in a 350 degree oven for 1 hour in an 11 x 9 x 2 inch pan, sprayed with Pam. Yield: 12 servings.