preheat oven to 350

thaw out hashbrowns

put butter, sour cream, and cream of chicken soup into a pot on stove and put it on medium heat

heat those in the pot until the butter is melted and they are all mixed together

spread hashbrowns in a 12by16in pan and put salt and pepper on them.

spread the mixture of sour cream, butter, and cream of chicken over the hashbrowns.

sprinkle the crushed corn flakes evenly over the pan.

put it in the oven for one hour. Or until the top is crispy brown.