Step 1

Preheat oven to 325 degrees F.

Step 2

Boil potatoes in a large pot of salted water until fork tender.

Step 3

Allow potatoes to cool in large bowl. Stir in sour cream, salt, pepper, and cheese.

Step 4

Pour mixture out into a greased 9x13-inch baking dish, spread evenly. Top with fried onions.

Step 5

Bake, uncovered, for about 30 minutes, until bubbly and top is golden brown.