Easy Cheesy Potatoes

3 lbs. diced potatoes or 30 oz. frozen country style hash browns

1/4 c. butter, melted

1 c. sour cream

1 c. cream of chicken soup, or cream of cheddar

1/4 c. green onion, chopped

2 c. cheddar cheese, divided

Preheat oven to 375. Spray 9x13 dish. If using fresh potatoes, place in a saucepan with cold water. Simmer 12-14 minutes or until fork tender. Drain and allow to cool slightly. Combine melted butter and sour cream. Add soup, onion, and 1 1/2 c. cheese. Toss in the potatoes (or frozen hash browns) and combine. Spread in baking dish. Top with remaining cheese and bake 28-30 minutes or until browned and bubbly. 

Optional Crunchy Topping:

1 1/2 c. crushed cornflakes

4 T. melted butter

Combine ingredients and top casserole before baking.