Cheesy Baked Hash Browns

1 pkg. (32 oz.) frozen hash browns, thawed
1 can cheddar cheese soup
3 cups grated American cheese
1 ccup sour cream
¾ cup sliced green onions

Preheat oven to 375°. Combine ingredients. Spread mixture in lightly greased 9x13 baker. Bake 50-60 minutes until lightly browned & bubbling.