2 lbs. frozen Potatoes O'Brien
1/2 pint or so sour cream
1 teaspoon salt
1 teaspoon pepper
1 grated onion
1 can cream of chicken soup
2 cups melted sharp cheddar cheese
1/4 cup melted butter or margarine

Mix all ingredients. Bake in 9 x 13-inch baking dish at 350 degrees for 1 hour 15 minutes.

OPTIONS: Sprinkle paprika or crushed corn flakes on top.