2 lb. bag frozen hash browns
1 can cream of mushroom soup
1 can cream of celery soup
1 sm. pkg. grated cheese
1 stick butter
1 onion, chopped
1 tsp. Worcestershire sauce
8 oz. sour cream
Crushed potato chips

Saute onions in butter. Add soups, cheese and Worcestershire sauce. Cook over low heat until warm. Break up hash browns and mix in soup mixture. Place in 9"x12" casserole and top with potato chips. Bake at 350 degrees until hot.