2 pkgs. O'Brien style hash browns
1 med. onion, chopped
1 c. butter, melted
1 (16 oz.) sour cream
2 cans cream of chicken soup
1 lb. cheddar cheese, shredded
1 bag potato chip, crushed

Mix all ingredients except the chips in large bowl. Transfer into well buttered 9"x13" pan. Bake at 375 degrees 1 hour 20 minutes. Add crushed chips, bake an additional 10 to 15 minutes.