2 lbs. frozen hash browns
1 c. diced onion
1 can cream of mushroom soup
1 lb. sour cream
1 stick butter, melted
8 oz. shredded sharp cheddar cheese
1 c. chips, crumbled

Thaw hash browns for 1/2 hour. Mix all ingredients together and place in an ungreased 9"x13" pan. Top with chips. Bake at 350 degrees for 1 hour.