Bake potatoes until cooked. Let cool until warm.

Fry or bake bacon, crisp and crumble.

Mix sour cream, cheeses, onion, salt, pepper and half and half together.

Cut potatoes into 1-inch pieces.

Layer half of potatoes in a 9x13" casserole dish, then half of cheese mixture, the rest of the potatoes and the rest of the cheese mixture.

Bake at 350 degrees for 20-30 minutes.