Hash Browns Potato Casserole

• 1 (32 ounce) package frozen shredded hash browns, thawed
• 34 cup butter
• 12 cup onion
• 1 (10 1/2 ounce) can cream of chicken soup, undiluted
• 1 (8 ounce) container sour cream
• 1 cup shredded mild cheddar cheese
• 12 cup shredded sharp cheddar cheese

1. Mix first 6 ingredients and mix well.
2. Spoon into greased casserole dish and top with sharp cheese.
3. Bake for 50 minutes at 350 degrees.

hash browns, butter, onion, cream of chicken soup, sour cream, cheddar cheese, cheddar cheese

Taken from www.food.com/recipe/hash-browns-potato-casserole-54876 (may not work)