White Potato Gratin

Directions

1. 1
   Arrange potatoes, spoke fashion, on a piece of paper towel in oven.
2. 2
   Cook at 100 percent power in a 650-to 700-watt oven for 10 minutes.
3. 3
   Remove from oven and allow to stand a few minutes.
4. 4
   When cool enough to handle, peel with a small sharp knife and cut into 1/4-inch slices.
5. 5
   Arrange about a third of the potato slices in a glass or ceramic oval dish (13 by 11 by 2 inches).
6. 6
   Pour about a third of the half-and-half over the slices, and sprinkle on a third of the cheeses and some black pepper.
7. 7
   Repeat layering twice.
8. 8
   Cook, uncovered, at 100 percent power for 5 minutes.
9. 9
   Remove from oven and allow to stand, lightly covered with a kitchen towel, for 5 minutes.