Potato Casserole - cooking recipe

Ingredients

1 32-oz pkg frozen cubed hash brown potatoes (thawed)
1 can cream of chicken soup
2 c sour cream
2 c sharp shredded cheddar cheese
1 bunch green onions, sliced (tops and all) or one sm. white onion, diced
2 sticks melted margarine (divided)
4 c cornflakes, crushed to sm. pieces (in zipper bag)

Preparation

Saute onion with 1 stick of margarine in skillet.
In giant mixing bowl, mix potatoes, sour cream, chicken soup, and cheddar cheese together.
Add onion and butter mixture.
Pour potato mixture into 9 x 13 pan.
Melt other stick of margarine.
Toss crushed cornflakes in butter to coat.
Top potato mixture with cornflake mixture.
Bake at 350 for 45 minutes.