Potato Casserole:
2 lbs. frozen hash browns
1/2 cup melted margarine
1/4 tsp. pepper
2 cups sour cream
1 can cream of chicken soup, OR cream of celery, OR mushroom soup
1/2 cup chopped onion
2 cups shredded cheese

Topping:
2 cups crushed cornflakes
1/4 cup melted margarine

Mix all ingredients together and place in a 9 x 13-inch pan. Mix cornflakes and margarine together. Sprinkle on top of potato mixture. Bake at 350 degrees for 1 hour.